diff --git a/README.md b/README.md
index d327c6ec..6b7f8798 100644
--- a/README.md
+++ b/README.md
@@ -128,12 +128,7 @@ Application behavior can be changed by configuring the following environment var
 - `NEXT_PUBLIC_IMAGE_QUALITY = 1-100` controls the quality of large photos
 - `NEXT_PUBLIC_BLUR_DISABLED = 1` prevents image blur data being stored and displayed (potentially useful for limiting Postgres usage)
 
-#### Visual
-
-- `NEXT_PUBLIC_DEFAULT_THEME = light | dark` sets preferred initial theme (defaults to `system` when not configured)
-- `NEXT_PUBLIC_MATTE_PHOTOS = 1` constrains the size of each photo, and displays a surrounding border, potentially useful for photos with tall aspect ratios (colors can be customized via `NEXT_PUBLIC_MATTE_COLOR` + `NEXT_PUBLIC_MATTE_COLOR_DARK`)
-
-#### Display
+#### Categories
 - `NEXT_PUBLIC_CATEGORY_VISIBILITY`
   - Comma-separated value controlling which photo sets appear in grid sidebar and CMD-K menu, and in what order. For example, you could move cameras above tags, and hide film simulations, by updating to `cameras,tags,lenses,recipes`.
   - Accepted values:
@@ -144,6 +139,9 @@ Application behavior can be changed by configuring the following environment var
      - `films` (default)
      - `focal-lengths`
 - `NEXT_PUBLIC_EXHAUSTIVE_SIDEBAR_CATEGORIES = 1` always shows expanded sidebar content
+- `NEXT_PUBLIC_HIDE_TAGS_WITH_ONE_PHOTO = 1` to only show tags with 2 or more photos
+
+#### Display
 - `NEXT_PUBLIC_HIDE_KEYBOARD_SHORTCUT_TOOLTIPS = 1` hides keyboard shortcut hints in areas like the main nav, and previous/next photo links
 - `NEXT_PUBLIC_HIDE_EXIF_DATA = 1` hides EXIF data in photo details and OG images (potentially useful for portfolios, which don't focus on photography)
 - `NEXT_PUBLIC_CATEGORY_IMAGE_HOVERS = 1` shows images when hovering over category links like cameras and lenses (⚠️ setting `NEXT_PUBLIC_STATICALLY_OPTIMIZE_PHOTO_CATEGORY_OG_IMAGES = 1` strongly recommended for responsive hover interactions)
@@ -157,6 +155,10 @@ Application behavior can be changed by configuring the following environment var
 - `NEXT_PUBLIC_GRID_ASPECT_RATIO = 1.5` sets aspect ratio for grid tiles (defaults to `1`—setting to `0` removes the constraint)
 - `NEXT_PUBLIC_SHOW_LARGE_THUMBNAILS = 1` ensures large thumbnails on photo grid views (if not configured, density is based on aspect ratio)
 
+#### Design
+- `NEXT_PUBLIC_DEFAULT_THEME = light | dark` sets preferred initial theme (defaults to `system` when not configured)
+- `NEXT_PUBLIC_MATTE_PHOTOS = 1` constrains the size of each photo, and displays a surrounding border, potentially useful for photos with tall aspect ratios (colors can be customized via `NEXT_PUBLIC_MATTE_COLOR` + `NEXT_PUBLIC_MATTE_COLOR_DARK`)
+
 #### Settings
 - `NEXT_PUBLIC_GEO_PRIVACY = 1` disables collection/display of location-based data (⚠️ re-compresses uploaded images in order to remove GPS information)
 - `NEXT_PUBLIC_ALLOW_PUBLIC_DOWNLOADS = 1` enables public photo downloads for all visitors (⚠️ may result in increased bandwidth usage)
diff --git a/src/admin/AdminAppConfigurationClient.tsx b/src/admin/AdminAppConfigurationClient.tsx
index ef939837..009b4539 100644
--- a/src/admin/AdminAppConfigurationClient.tsx
+++ b/src/admin/AdminAppConfigurationClient.tsx
@@ -80,10 +80,12 @@ export default function AdminAppConfigurationClient({
   hasImageQuality,
   imageQuality,
   isBlurEnabled,
-  // Display
+  // Categories
   categoryVisibility,
   hasCategoryVisibility,
   collapseSidebarCategories,
+  hideTagsWithOnePhoto,
+  // Display
   showKeyboardShortcutTooltips,
   showExifInfo,
   showCategoryImageHover,
@@ -401,7 +403,7 @@ export default function AdminAppConfigurationClient({
         <ChecklistGroup
           title="AI text generation"
           titleShort="AI"
-          icon={<HiSparkles />}
+          icon={<HiSparkles size={14} />}
           optional
         >
           <ChecklistRow
@@ -470,7 +472,7 @@ export default function AdminAppConfigurationClient({
         </ChecklistGroup>
         <ChecklistGroup
           title="Performance"
-          icon={<RiSpeedMiniLine size={18} />}
+          icon={<RiSpeedMiniLine size={19} />}
           optional
         >
           <ChecklistRow
@@ -578,6 +580,15 @@ export default function AdminAppConfigurationClient({
             expanded category content
             {renderEnvVars(['NEXT_PUBLIC_EXHAUSTIVE_SIDEBAR_CATEGORIES'])}
           </ChecklistRow>
+          <ChecklistRow
+            title="Hide tags with only 1 photo"
+            status={hideTagsWithOnePhoto}
+            optional
+          >
+            Set environment variable to {'"1"'} to only show tags
+            with 2 or more photos
+            {renderEnvVars(['NEXT_PUBLIC_HIDE_TAGS_WITH_ONE_PHOTO'])}
+          </ChecklistRow>
         </ChecklistGroup>
         <ChecklistGroup
           title="Display"
diff --git a/src/app/config.ts b/src/app/config.ts
index d5cf7a00..a01875f3 100644
--- a/src/app/config.ts
+++ b/src/app/config.ts
@@ -240,7 +240,7 @@ export const IMAGE_QUALITY =
 export const BLUR_ENABLED =
   process.env.NEXT_PUBLIC_BLUR_DISABLED !== '1';
 
-// DISPLAY
+// CATEGORIES
 
 export const CATEGORY_VISIBILITY = getOrderedCategoriesFromString(
   process.env.NEXT_PUBLIC_CATEGORY_VISIBILITY);
@@ -258,6 +258,11 @@ export const SHOW_FOCAL_LENGTHS =
   CATEGORY_VISIBILITY.includes('focal-lengths');
 export const COLLAPSE_SIDEBAR_CATEGORIES =
   process.env.NEXT_PUBLIC_EXHAUSTIVE_SIDEBAR_CATEGORIES !== '1';
+export const HIDE_TAGS_WITH_ONE_PHOTO =
+  process.env.NEXT_PUBLIC_HIDE_TAGS_WITH_ONE_PHOTO === '1';
+
+// DISPLAY
+
 export const SHOW_KEYBOARD_SHORTCUT_TOOLTIPS =
   process.env.NEXT_PUBLIC_HIDE_KEYBOARD_SHORTCUT_TOOLTIPS !== '1';
 export const SHOW_EXIF_DATA =
@@ -388,11 +393,13 @@ export const APP_CONFIGURATION = {
   hasImageQuality: Boolean(process.env.NEXT_PUBLIC_IMAGE_QUALITY),
   imageQuality: IMAGE_QUALITY,
   isBlurEnabled: BLUR_ENABLED,
-  // Display
+  // Categories
   hasCategoryVisibility:
     Boolean(process.env.NEXT_PUBLIC_CATEGORY_VISIBILITY),
   categoryVisibility: CATEGORY_VISIBILITY,
   collapseSidebarCategories: COLLAPSE_SIDEBAR_CATEGORIES,
+  hideTagsWithOnePhoto: HIDE_TAGS_WITH_ONE_PHOTO,
+  // Display
   showKeyboardShortcutTooltips: SHOW_KEYBOARD_SHORTCUT_TOOLTIPS,
   showExifInfo: SHOW_EXIF_DATA,
   showCategoryImageHover: SHOW_CATEGORY_IMAGE_HOVERS,
diff --git a/src/photo/PhotoGridSidebar.tsx b/src/photo/PhotoGridSidebar.tsx
index c0a15c7d..37d01b3f 100644
--- a/src/photo/PhotoGridSidebar.tsx
+++ b/src/photo/PhotoGridSidebar.tsx
@@ -4,13 +4,13 @@ import PhotoCamera from '@/camera/PhotoCamera';
 import HeaderList from '@/components/HeaderList';
 import PhotoTag from '@/tag/PhotoTag';
 import { PhotoDateRange, dateRangeForPhotos, photoQuantityText } from '.';
-import { TAG_FAVS, TAG_HIDDEN, addHiddenToTags } from '@/tag';
+import { TAG_FAVS, TAG_HIDDEN, addHiddenToTags, limitTagsByCount } from '@/tag';
 import PhotoFilm from '@/film/PhotoFilm';
 import FavsTag from '../tag/FavsTag';
 import { useAppState } from '@/state/AppState';
 import { useMemo, useRef } from 'react';
 import HiddenTag from '@/tag/HiddenTag';
-import { CATEGORY_VISIBILITY } from '@/app/config';
+import { CATEGORY_VISIBILITY, HIDE_TAGS_WITH_ONE_PHOTO } from '@/app/config';
 import { clsx } from 'clsx/lite';
 import PhotoRecipe from '@/recipe/PhotoRecipe';
 import IconCamera from '@/components/icons/IconCamera';
@@ -37,7 +37,7 @@ export default function PhotoGridSidebar({
   containerHeight,
   aboutTextSafelyParsedHtml,
   aboutTextHasBrParagraphBreaks,
-  ...categories
+  ..._categories
 }: PhotoSetCategories & {
   photosCount: number
   photosDateRange?: PhotoDateRange
@@ -45,6 +45,14 @@ export default function PhotoGridSidebar({
   aboutTextSafelyParsedHtml?: string
   aboutTextHasBrParagraphBreaks?: boolean
 }) {
+  const categories = useMemo(() => HIDE_TAGS_WITH_ONE_PHOTO
+    ? {
+      ..._categories,
+      tags: limitTagsByCount(_categories.tags, 2),
+    }
+    : _categories
+  , [_categories]);
+
   const {
     cameras,
     lenses,
diff --git a/src/tag/index.ts b/src/tag/index.ts
index 05a6b592..a2ac1fe5 100644
--- a/src/tag/index.ts
+++ b/src/tag/index.ts
@@ -167,3 +167,10 @@ export const convertTagsForForm = (
       annotationAria:
         formatCountDescriptive(count, appText.category.taggedPhotos),
     }));
+
+export const limitTagsByCount = (tags: Tags, minimumCount: number) =>
+  tags.filter(({ tag, count }) => (
+    count >= minimumCount ||
+    isTagFavs(tag) ||
+    isTagHidden(tag)
+  ));