diff --git a/Doc/deprecations/pending-removal-in-3.17.rst b/Doc/deprecations/pending-removal-in-3.17.rst
index 0a1c2f08cab3bd..ac7771041b38d4 100644
--- a/Doc/deprecations/pending-removal-in-3.17.rst
+++ b/Doc/deprecations/pending-removal-in-3.17.rst
@@ -22,6 +22,10 @@ Pending removal in Python 3.17
     See :pep:`PEP 688 <688#current-options>` for more details.
     (Contributed by Shantanu Jain in :gh:`91896`.)
 
+* :mod:`token`:
+
+  - The :func:`token.ISTERMINAL`, :func:`token.ISNONTERMINAL` and
+    :func:`token.ISEOF` tokens.
 
 * :mod:`typing`:
 
diff --git a/Doc/library/token.rst b/Doc/library/token.rst
index c228006d4c1e1d..1e96b852310230 100644
--- a/Doc/library/token.rst
+++ b/Doc/library/token.rst
@@ -35,16 +35,22 @@ a ``"match"`` token may be either :data:`NAME` or :data:`SOFT_KEYWORD`.
 
    Return ``True`` for terminal token values.
 
+   .. deprecated-removed:: next 3.17
+
 
 .. function:: ISNONTERMINAL(x)
 
    Return ``True`` for non-terminal token values.
 
+   .. deprecated-removed:: next 3.17
+
 
 .. function:: ISEOF(x)
 
    Return ``True`` if *x* is the marker indicating the end of input.
 
+   .. deprecated-removed:: next 3.17
+
 
 The token constants are:
 
diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst
index 295dc201ec0ae4..75e336346898a1 100644
--- a/Doc/whatsnew/3.15.rst
+++ b/Doc/whatsnew/3.15.rst
@@ -592,6 +592,15 @@ hashlib
   (Contributed by Bénédikt Tran in :gh:`134978`.)
 
 
+token
+-----
+
+* The :func:`token.ISTERMINAL`, :func:`token.ISNONTERMINAL` and
+  :func:`token.ISEOF` tokens are now deprecated, and will be removed
+  in Python 3.17.
+  (Contributed by Stan Ulbrych in :gh:`86353`)
+
+
 .. Add deprecations above alphabetically, not here at the end.
 
 Removed
diff --git a/Include/internal/pycore_token.h b/Include/internal/pycore_token.h
index 5de1f719a2f1a2..eb3d96e8abe396 100644
--- a/Include/internal/pycore_token.h
+++ b/Include/internal/pycore_token.h
@@ -86,9 +86,9 @@ extern "C" {
 
 /* Special definitions for cooperation with parser */
 
-#define ISTERMINAL(x)           ((x) < NT_OFFSET)
-#define ISNONTERMINAL(x)        ((x) >= NT_OFFSET)
-#define ISEOF(x)                ((x) == ENDMARKER)
+#define ISTERMINAL(x)           ((x) < NT_OFFSET) /* Deprecated and will be removed in 3.17 */
+#define ISNONTERMINAL(x)        ((x) >= NT_OFFSET) /* Deprecated and will be removed in 3.17 */
+#define ISEOF(x)                ((x) == ENDMARKER) /* Deprecated and will be removed in 3.17 */
 #define ISWHITESPACE(x)         ((x) == ENDMARKER || \
                                  (x) == NEWLINE   || \
                                  (x) == INDENT    || \
diff --git a/Lib/token.py b/Lib/token.py
index f61723cc09da02..2a5f6a6e533491 100644
--- a/Lib/token.py
+++ b/Lib/token.py
@@ -135,10 +135,19 @@
 }
 
 def ISTERMINAL(x: int) -> bool:
+    import warnings
+    warnings.warn('token.ISTERMINAL is deprecated and will be removed in 3.17',
+                   DeprecationWarning, stacklevel=2)
     return x < NT_OFFSET
 
 def ISNONTERMINAL(x: int) -> bool:
+    import warnings
+    warnings.warn('token.ISNONTERMINAL is deprecated and will be removed in 3.17',
+                   DeprecationWarning, stacklevel=2)
     return x >= NT_OFFSET
 
 def ISEOF(x: int) -> bool:
+    import warnings
+    warnings.warn('token.ISEOF is deprecated and will be removed in 3.17',
+                   DeprecationWarning, stacklevel=2)
     return x == ENDMARKER
diff --git a/Misc/NEWS.d/next/Library/2025-08-24-17-54-22.gh-issue-86353.bw0iat.rst b/Misc/NEWS.d/next/Library/2025-08-24-17-54-22.gh-issue-86353.bw0iat.rst
new file mode 100644
index 00000000000000..8d947689572b62
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-08-24-17-54-22.gh-issue-86353.bw0iat.rst
@@ -0,0 +1,2 @@
+Deprecate and schedule for removal in 3.17, :func:`token.ISTERMINAL`,
+:func:`token.ISNONTERMINAL` and :func:`token.ISEOF`.
diff --git a/Tools/build/generate_token.py b/Tools/build/generate_token.py
index 9ee5ec86e75d47..88425f6114aa58 100755
--- a/Tools/build/generate_token.py
+++ b/Tools/build/generate_token.py
@@ -79,9 +79,9 @@ def update_file(file, content):
 
 /* Special definitions for cooperation with parser */
 
-#define ISTERMINAL(x)           ((x) < NT_OFFSET)
-#define ISNONTERMINAL(x)        ((x) >= NT_OFFSET)
-#define ISEOF(x)                ((x) == ENDMARKER)
+#define ISTERMINAL(x)           ((x) < NT_OFFSET) /* Deprecated and will be removed in 3.17 */
+#define ISNONTERMINAL(x)        ((x) >= NT_OFFSET) /* Deprecated and will be removed in 3.17 */
+#define ISEOF(x)                ((x) == ENDMARKER) /* Deprecated and will be removed in 3.17 */
 #define ISWHITESPACE(x)         ((x) == ENDMARKER || \\
                                  (x) == NEWLINE   || \\
                                  (x) == INDENT    || \\
@@ -279,12 +279,21 @@ def make_rst(infile, outfile='Doc/library/token-list.inc',
 }
 
 def ISTERMINAL(x: int) -> bool:
+    import warnings
+    warnings.warn('token.ISTERMINAL is deprecated and will be removed in 3.17',
+                   DeprecationWarning, stacklevel=2)
     return x < NT_OFFSET
 
 def ISNONTERMINAL(x: int) -> bool:
+    import warnings
+    warnings.warn('token.ISNONTERMINAL is deprecated and will be removed in 3.17',
+                   DeprecationWarning, stacklevel=2)
     return x >= NT_OFFSET
 
 def ISEOF(x: int) -> bool:
+    import warnings
+    warnings.warn('token.ISEOF is deprecated and will be removed in 3.17',
+                   DeprecationWarning, stacklevel=2)
     return x == ENDMARKER
 '''