diff --git a/src/renderer/components/filters/AccountFilter.tsx b/src/renderer/components/filters/AccountFilter.tsx
new file mode 100644
index 000000000..d36728c2c
--- /dev/null
+++ b/src/renderer/components/filters/AccountFilter.tsx
@@ -0,0 +1,55 @@
+import type { FC } from 'react';
+
+import { PersonIcon } from '@primer/octicons-react';
+import { Stack, Text } from '@primer/react';
+
+import { useAppContext } from '../../hooks/useAppContext';
+import { useFiltersStore } from '../../stores';
+
+import { Checkbox } from '../fields/Checkbox';
+import { Title } from '../primitives/Title';
+
+import type { AccountUUID } from '../../types';
+
+import { getAccountUUID } from '../../utils/auth/utils';
+
+export const AccountFilter: FC = () => {
+  const { auth, notifications } = useAppContext();
+  const filteredAccounts = useFiltersStore((s) => s.accounts);
+  const updateFilter = useFiltersStore((s) => s.updateFilter);
+
+  const accounts = auth?.accounts ?? [];
+
+  return (
+    <fieldset id="filter-accounts">
+      <Title
+        icon={PersonIcon}
+        tooltip={<Text>Filter notifications by account.</Text>}
+      >
+        Account
+      </Title>
+
+      <Stack direction="vertical" gap="condensed">
+        {accounts.map((account) => {
+          const uuid = getAccountUUID(account);
+          const isChecked = filteredAccounts.includes(uuid);
+          const label = account.user?.login ?? account.hostname;
+          const accountNotificationCount =
+            notifications?.find((n) => getAccountUUID(n.account) === uuid)
+              ?.notifications.length ?? 0;
+
+          return (
+            <Checkbox
+              checked={isChecked}
+              counter={accountNotificationCount}
+              key={uuid}
+              label={label}
+              name={`account-${uuid}`}
+              onChange={() => updateFilter('accounts', uuid, !isChecked)}
+            />
+          );
+        })}
+      </Stack>
+    </fieldset>
+  );
+};
diff --git a/src/renderer/routes/Filters.tsx b/src/renderer/routes/Filters.tsx
index 97f5ebd1c..62cdea983 100644
--- a/src/renderer/routes/Filters.tsx
+++ b/src/renderer/routes/Filters.tsx
@@ -3,8 +3,10 @@ import type { FC } from 'react';
 import { FilterIcon, FilterRemoveIcon } from '@primer/octicons-react';
 import { Button, Stack, Tooltip } from '@primer/react';
 
+import { useAppContext } from '../hooks/useAppContext';
 import { useFiltersStore } from '../stores';
 
+import { AccountFilter } from '../components/filters/AccountFilter';
 import { ReasonFilter } from '../components/filters/ReasonFilter';
 import { SearchFilter } from '../components/filters/SearchFilter';
 import { StateFilter } from '../components/filters/StateFilter';
@@ -16,8 +18,11 @@ import { Footer } from '../components/primitives/Footer';
 import { Header } from '../components/primitives/Header';
 
 export const FiltersRoute: FC = () => {
+  const { auth } = useAppContext();
   const clearFilters = useFiltersStore((s) => s.reset);
 
+  const hasMultipleAccounts = (auth?.accounts.length ?? 0) > 1;
+
   return (
     <Page testId="filters">
       <Header fetchOnBack icon={FilterIcon}>
@@ -26,6 +31,7 @@ export const FiltersRoute: FC = () => {
 
       <Contents paddingBottom>
         <Stack direction="vertical" gap="spacious">
+          {hasMultipleAccounts && <AccountFilter />}
           <SearchFilter />
           <UserTypeFilter />
           <SubjectTypeFilter />
diff --git a/src/renderer/routes/Notifications.tsx b/src/renderer/routes/Notifications.tsx
index ac78f2b27..619999b13 100644
--- a/src/renderer/routes/Notifications.tsx
+++ b/src/renderer/routes/Notifications.tsx
@@ -1,6 +1,7 @@
 import { type FC, useMemo, useRef } from 'react';
 
 import { useAppContext } from '../hooks/useAppContext';
+import { useFiltersStore } from '../stores';
 
 import { AllRead } from '../components/AllRead';
 import { Contents } from '../components/layout/Contents';
@@ -13,6 +14,7 @@ import { getAccountUUID } from '../utils/auth/utils';
 export const NotificationsRoute: FC = () => {
   const { notifications, status, globalError, settings, hasNotifications } =
     useAppContext();
+  const filteredAccounts = useFiltersStore((s) => s.accounts);
 
   // Store previous successful state
   const prevStateRef = useRef({
@@ -48,9 +50,19 @@ export const NotificationsRoute: FC = () => {
     [displayState.notifications],
   );
 
+  const visibleNotifications = useMemo(
+    () =>
+      filteredAccounts.length === 0
+        ? displayState.notifications
+        : displayState.notifications.filter((n) =>
+            filteredAccounts.includes(getAccountUUID(n.account)),
+          ),
+    [displayState.notifications, filteredAccounts],
+  );
+
   const hasNoAccountErrors = useMemo(
-    () => displayState.notifications.every((account) => account.error === null),
-    [displayState.notifications],
+    () => visibleNotifications.every((account) => account.error === null),
+    [visibleNotifications],
   );
 
   if (displayState.status === 'error') {
@@ -64,7 +76,7 @@ export const NotificationsRoute: FC = () => {
   return (
     <Page testId="notifications">
       <Contents paddingHorizontal={false}>
-        {displayState.notifications.map((accountNotification) => {
+        {visibleNotifications.map((accountNotification) => {
           return (
             <AccountNotifications
               account={accountNotification.account}
diff --git a/src/renderer/routes/__snapshots__/Filters.test.tsx.snap b/src/renderer/routes/__snapshots__/Filters.test.tsx.snap
index eb2bc64b6..55053b714 100644
--- a/src/renderer/routes/__snapshots__/Filters.test.tsx.snap
+++ b/src/renderer/routes/__snapshots__/Filters.test.tsx.snap
@@ -98,6 +98,140 @@ exports[`renderer/routes/Filters.tsx > General > should render itself & its chil
       data-padding="none"
       data-wrap="nowrap"
     >
+      <fieldset
+        id="filter-accounts"
+      >
+        <legend>
+          <div
+            class="mb-2"
+          >
+            <div
+              class="prc-Stack-Stack-UQ9k6"
+              data-align="center"
+              data-direction="horizontal"
+              data-gap="condensed"
+              data-justify="start"
+              data-padding="none"
+              data-wrap="nowrap"
+              id="title-account"
+            >
+              <svg
+                aria-hidden="true"
+                class="octicon octicon-person"
+                data-component="Octicon"
+                display="inline-block"
+                fill="currentColor"
+                focusable="false"
+                height="16"
+                overflow="visible"
+                style="vertical-align: text-bottom;"
+                viewBox="0 0 16 16"
+                width="16"
+              >
+                <path
+                  d="M10.561 8.073a6.005 6.005 0 0 1 3.432 5.142.75.75 0 1 1-1.498.07 4.5 4.5 0 0 0-8.99 0 .75.75 0 0 1-1.498-.07 6.004 6.004 0 0 1 3.431-5.142 3.999 3.999 0 1 1 5.123 0ZM10.5 5a2.5 2.5 0 1 0-5 0 2.5 2.5 0 0 0 5 0Z"
+                />
+              </svg>
+              <h4
+                class="prc-Heading-Heading-MtWFE"
+              >
+                Account
+              </h4>
+              <button
+                aria-expanded="false"
+                aria-haspopup="true"
+                aria-label="tooltip-account"
+                data-testid="tooltip-icon-tooltip-account"
+                id="tooltip-account"
+                tabindex="0"
+                type="button"
+              >
+                <svg
+                  aria-hidden="true"
+                  class="octicon octicon-question text-gitify-tooltip-icon"
+                  data-component="Octicon"
+                  display="inline-block"
+                  fill="currentColor"
+                  focusable="false"
+                  height="16"
+                  overflow="visible"
+                  style="vertical-align: text-bottom;"
+                  viewBox="0 0 16 16"
+                  width="16"
+                >
+                  <path
+                    d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8Zm8-6.5a6.5 6.5 0 1 0 0 13 6.5 6.5 0 0 0 0-13ZM6.92 6.085h.001a.749.749 0 1 1-1.342-.67c.169-.339.436-.701.849-.977C6.845 4.16 7.369 4 8 4a2.756 2.756 0 0 1 1.637.525c.503.377.863.965.863 1.725 0 .448-.115.83-.329 1.15-.205.307-.47.513-.692.662-.109.072-.22.138-.313.195l-.006.004a6.24 6.24 0 0 0-.26.16.952.952 0 0 0-.276.245.75.75 0 0 1-1.248-.832c.184-.264.42-.489.692-.661.103-.067.207-.132.313-.195l.007-.004c.1-.061.182-.11.258-.161a.969.969 0 0 0 .277-.245C8.96 6.514 9 6.427 9 6.25a.612.612 0 0 0-.262-.525A1.27 1.27 0 0 0 8 5.5c-.369 0-.595.09-.74.187a1.01 1.01 0 0 0-.34.398ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z"
+                  />
+                </svg>
+              </button>
+            </div>
+          </div>
+        </legend>
+        <div
+          class="prc-Stack-Stack-UQ9k6"
+          data-align="stretch"
+          data-direction="vertical"
+          data-gap="condensed"
+          data-justify="start"
+          data-padding="none"
+          data-wrap="nowrap"
+        >
+          <div
+            class="text-sm prc-Stack-Stack-UQ9k6"
+            data-align="center"
+            data-direction="horizontal"
+            data-gap="condensed"
+            data-justify="start"
+            data-padding="none"
+            data-wrap="nowrap"
+          >
+            <input
+              class="size-4 rounded-sm cursor-pointer"
+              data-testid="checkbox-account-Z2l0aHViLmNvbS0xMjM0NTY3ODktUGVyc29uYWwgQWNjZXNzIFRva2Vu"
+              id="account-Z2l0aHViLmNvbS0xMjM0NTY3ODktUGVyc29uYWwgQWNjZXNzIFRva2Vu"
+              type="checkbox"
+            />
+            <label
+              class="font-medium text-gitify-font cursor-pointer"
+              for="account-Z2l0aHViLmNvbS0xMjM0NTY3ODktUGVyc29uYWwgQWNjZXNzIFRva2Vu"
+            >
+              octocat
+            </label>
+            <span
+              class="px-2 py-0.25 rounded-full text-[10px] font-medium leading-none min-w-[16px] text-gitify-counter-text bg-gitify-counter-secondary prc-Text-Text-9mHv3"
+            >
+              0
+            </span>
+          </div>
+          <div
+            class="text-sm prc-Stack-Stack-UQ9k6"
+            data-align="center"
+            data-direction="horizontal"
+            data-gap="condensed"
+            data-justify="start"
+            data-padding="none"
+            data-wrap="nowrap"
+          >
+            <input
+              class="size-4 rounded-sm cursor-pointer"
+              data-testid="checkbox-account-Z2l0aHViLmdpdGlmeS5pby0xMjM0NTY3ODktUGVyc29uYWwgQWNjZXNzIFRva2Vu"
+              id="account-Z2l0aHViLmdpdGlmeS5pby0xMjM0NTY3ODktUGVyc29uYWwgQWNjZXNzIFRva2Vu"
+              type="checkbox"
+            />
+            <label
+              class="font-medium text-gitify-font cursor-pointer"
+              for="account-Z2l0aHViLmdpdGlmeS5pby0xMjM0NTY3ODktUGVyc29uYWwgQWNjZXNzIFRva2Vu"
+            >
+              octocat
+            </label>
+            <span
+              class="px-2 py-0.25 rounded-full text-[10px] font-medium leading-none min-w-[16px] text-gitify-counter-text bg-gitify-counter-secondary prc-Text-Text-9mHv3"
+            >
+              0
+            </span>
+          </div>
+        </div>
+      </fieldset>
       <fieldset>
         <legend>
           <div
@@ -2094,7 +2228,7 @@ exports[`renderer/routes/Filters.tsx > General > should render itself & its chil
       data-wrap="nowrap"
     >
       <button
-        aria-describedby="_r_1j_"
+        aria-describedby="_r_1l_"
         class="prc-Button-ButtonBase-9n-Xk"
         data-component="Button"
         data-loading="false"
@@ -2143,7 +2277,7 @@ exports[`renderer/routes/Filters.tsx > General > should render itself & its chil
         class="prc-TooltipV2-Tooltip-tLeuB"
         data-component="Tooltip"
         data-direction="n"
-        id="_r_1j_"
+        id="_r_1l_"
         popover="auto"
         role="tooltip"
       >
diff --git a/src/renderer/stores/defaults.ts b/src/renderer/stores/defaults.ts
index 35af2bf4c..1a606a825 100644
--- a/src/renderer/stores/defaults.ts
+++ b/src/renderer/stores/defaults.ts
@@ -6,6 +6,7 @@ import type { FiltersState } from './types';
 export const DEFAULT_FILTERS_STATE: FiltersState = {
   includeSearchTokens: [],
   excludeSearchTokens: [],
+  accounts: [],
   userTypes: [],
   subjectTypes: [],
   states: [],
diff --git a/src/renderer/stores/types.ts b/src/renderer/stores/types.ts
index af427e078..a39c6c483 100644
--- a/src/renderer/stores/types.ts
+++ b/src/renderer/stores/types.ts
@@ -1,4 +1,5 @@
 import type {
+  AccountUUID,
   FilterStateType,
   Reason,
   SearchToken,
@@ -24,6 +25,12 @@ export interface FiltersState {
    */
   excludeSearchTokens: SearchToken[];
 
+  /**
+   * The account UUIDs to filter notifications by.
+   * When empty, all accounts are shown.
+   */
+  accounts: AccountUUID[];
+
   /**
    * The user types to filter notifications by.
    */
diff --git a/src/renderer/stores/useFiltersStore.ts b/src/renderer/stores/useFiltersStore.ts
index 9c3ddfdce..4a16fbc5e 100644
--- a/src/renderer/stores/useFiltersStore.ts
+++ b/src/renderer/stores/useFiltersStore.ts
@@ -23,6 +23,7 @@ const useFiltersStore = create<FiltersStore>()(
         return (
           state.includeSearchTokens.length > 0 ||
           state.excludeSearchTokens.length > 0 ||
+          state.accounts.length > 0 ||
           state.userTypes.length > 0 ||
           state.subjectTypes.length > 0 ||
           state.states.length > 0 ||