diff --git a/more_itertools/more.py b/more_itertools/more.py
index 7fa96ad..6183546 100755
--- a/more_itertools/more.py
+++ b/more_itertools/more.py
@@ -1792,7 +1792,7 @@ def zip_offset(*iterables, offsets, longest=False, fillvalue=None):
     return zip(*staggered)
 
 
-def sort_together(iterables, key_list=(0,), key=None, reverse=False):
+def sort_together(iterables, key_list=(0,), key=None, reverse=False, strict=False):
     """Return the input iterables sorted together, with *key_list* as the
     priority for sorting. All iterables are trimmed to the length of the
     shortest one.
@@ -1831,7 +1831,26 @@ def sort_together(iterables, key_list=(0,), key=None, reverse=False):
         >>> sort_together([(1, 2, 3), ('c', 'b', 'a')], reverse=True)
         [(3, 2, 1), ('a', 'b', 'c')]
 
+    If *strict* is ``True``, iterables that do not have the same length will
+    raise ``UnequalIterablesError``.
+
+        >>> iterables = [(4, 3, 2, 1), ('a', 'b', 'c')]
+        >>> sort_together(iterables, strict=True)
+        Traceback (most recent call last):
+        ...
+        UnequalIterablesError: ...
+
     """
+    if strict:
+        # Materialize iterables to check lengths without consuming them twice
+        lists = [list(it) for it in iterables]
+        sizes = set(map(len, lists))
+        if len(sizes) != 1:
+            raise UnequalIterablesError(
+                "sort_together() argument has iterables with different lengths."
+            )
+        iterables = tuple(lists)
+
     if key is None:
         # if there is no key function, the key argument to sorted is an
         # itemgetter
diff --git a/more_itertools/more.pyi b/more_itertools/more.pyi
index ef82f39..f1a155d 100644
--- a/more_itertools/more.pyi
+++ b/more_itertools/more.pyi
@@ -321,6 +321,7 @@ def sort_together(
     key_list: Iterable[int] = ...,
     key: Callable[..., Any] | None = ...,
     reverse: bool = ...,
+    strict: bool = ...,
 ) -> list[tuple[_T, ...]]: ...
 def unzip(iterable: Iterable[Sequence[_T]]) -> tuple[Iterator[_T], ...]: ...
 def divide(n: int, iterable: Iterable[_T]) -> list[Iterator[_T]]: ...