diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst
index 2e408f258e2805..96f1a722b7c7e6 100644
--- a/Doc/whatsnew/3.15.rst
+++ b/Doc/whatsnew/3.15.rst
@@ -1045,7 +1045,7 @@ mimetypes
   (Contributed by Benedikt Johannes, Charlie Lin, Foolbar, Gil Forcada and
   John Franey
   in :gh:`144217`, :gh:`145720`, :gh:`140937`, :gh:`139959`, :gh:`145698`,
-  :gh:`145718` and :gh:`144213`.)
+  :gh:`145718`, :gh:`145918`, and :gh:`144213`.)
 * Rename ``application/x-texinfo`` to ``application/texinfo``.
   (Contributed by Charlie Lin in :gh:`140165`.)
 * Changed the MIME type for ``.ai`` files to ``application/pdf``.
diff --git a/Lib/mimetypes.py b/Lib/mimetypes.py
index a834826114614d..ad18db09f6b340 100644
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@@ -599,10 +599,14 @@ def _default_mime_types():
         '.ra'     : 'audio/x-pn-realaudio',
         '.wav'    : 'audio/vnd.wave',
         '.weba'   : 'audio/webm',
+        '.ttc'    : 'font/collection',
         '.otf'    : 'font/otf',
         '.ttf'    : 'font/ttf',
         '.woff'   : 'font/woff',
         '.woff2'  : 'font/woff2',
+        '.hjif'   : 'haptics/hjif',
+        '.hmpg'   : 'haptics/hmpg',
+        '.ivs'    : 'haptics/ivs',
         '.avif'   : 'image/avif',
         '.bmp'    : 'image/bmp',
         '.emf'    : 'image/emf',
diff --git a/Misc/NEWS.d/next/Library/2026-03-13-14-23-33.gh-issue-145917.TooGKx.rst b/Misc/NEWS.d/next/Library/2026-03-13-14-23-33.gh-issue-145917.TooGKx.rst
new file mode 100644
index 00000000000000..23933a633f2391
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-03-13-14-23-33.gh-issue-145917.TooGKx.rst
@@ -0,0 +1,2 @@
+Add MIME types for TTC and Haptics formats to :mod:`mimetypes`.
+(Contributed by Charlie Lin in :gh:`145918`.)