diff --git a/compat/fsmonitor/fsm-listen-win32.c b/compat/fsmonitor/fsm-listen-win32.c
index 80e092b511..9a6efc9bea 100644
--- a/compat/fsmonitor/fsm-listen-win32.c
+++ b/compat/fsmonitor/fsm-listen-win32.c
@@ -431,9 +431,9 @@ static int recv_rdcw_watch(struct one_watch *watch)
 	 * but I observed ERROR_ACCESS_DENIED (0x05) errors during
 	 * testing.
 	 *
-	 * Note that we only get notificaiton events for events
+	 * Note that we only get notification events for events
 	 * *within* the directory, not *on* the directory itself.
-	 * (These might be properies of the parent directory, for
+	 * (These might be properties of the parent directory, for
 	 * example).
 	 *
 	 * NEEDSWORK: We might try to check for the deleted directory
diff --git a/compat/regex/regexec.c b/compat/regex/regexec.c
index e92be5741d..2eeec82f40 100644
--- a/compat/regex/regexec.c
+++ b/compat/regex/regexec.c
@@ -292,7 +292,7 @@ compat_symbol (libc, __compat_regexec, regexec, GLIBC_2_0);
    concerned.
 
    If REGS is not NULL, and BUFP->no_sub is not set, the offsets of the match
-   and all groups is stroed in REGS.  (For the "_2" variants, the offsets are
+   and all groups are stored in REGS.  (For the "_2" variants, the offsets are
    computed relative to the concatenation, not relative to the individual
    strings.)
 
diff --git a/compat/simple-ipc/ipc-unix-socket.c b/compat/simple-ipc/ipc-unix-socket.c
index 57d919c6b4..7db3b2a897 100644
--- a/compat/simple-ipc/ipc-unix-socket.c
+++ b/compat/simple-ipc/ipc-unix-socket.c
@@ -713,7 +713,7 @@ static int accept_thread__wait_for_connection(
  * Block SIGPIPE in this thread for the life of the thread.  This
  * avoids any stray SIGPIPE signals when closing pipe fds under
  * extremely heavy loads (such as when the fifo queue is full and we
- * drop incomming connections).
+ * drop incoming connections).
  */
 static void *accept_thread_proc(void *_accept_thread_data)
 {
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 60a22d619a..3d4dff3185 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -3296,7 +3296,7 @@ __gitcomp_directories ()
 		#       i.e. which are *already* part of their
 		#       sparse-checkout.  Thus, normal file and directory
 		#       completion is always useless for "git
-		#       sparse-checkout add" and is also probelmatic for
+		#       sparse-checkout add" and is also problematic for
 		#       "git sparse-checkout set" unless using it to
 		#       strictly narrow the checkout.
 		COMPREPLY=( "" )
@@ -3698,7 +3698,7 @@ _git_worktree ()
 		# Here we are not completing an --option, it's either the
 		# path or a ref.
 		case "$prev" in
-		-b|-B)	# Complete refs for branch to be created/reseted.
+		-b|-B)	# Complete refs for branch to be created/reset.
 			__git_complete_refs
 			;;
 		-*)	# The previous word is an -o|--option without an
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index 5dab3f506c..15ae86db1b 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -946,7 +946,7 @@ cmd_split () {
 		rev=$(git rev-parse -q --verify "$1^{commit}") ||
 			die "fatal: '$1' does not refer to a commit"
 	else
-		die "fatal: you must provide exactly one revision, and optionnally a repository.  Got: '$*'"
+		die "fatal: you must provide exactly one revision, and optionally a repository.  Got: '$*'"
 	fi
 	repository=""
 	if test "$#" = 2
diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh
index c3bd2a58b9..3c6103f6d2 100755
--- a/contrib/subtree/t/t7900-subtree.sh
+++ b/contrib/subtree/t/t7900-subtree.sh
@@ -47,7 +47,7 @@ last_commit_subject () {
 # pre-2.32.0 versions of 'git subtree' would write the hash of the tag
 # (sub1 below), instead of the commit (sub1^{commit}) in the
 # "git-subtree-split" trailer.
-# We immitate this behaviour below using a replace ref.
+# We imitate this behaviour below using a replace ref.
 # This function creates 3 repositories:
 # - $1
 # - $1-sub (added as subtree "sub" in $1)
diff --git a/t/helper/test-rot13-filter.c b/t/helper/test-rot13-filter.c
index 7e1d9e0ee4..ff407b575c 100644
--- a/t/helper/test-rot13-filter.c
+++ b/t/helper/test-rot13-filter.c
@@ -9,7 +9,7 @@
  * ("clean", "smudge", etc).
  *
  * When --always-delay is given all pathnames with the "can-delay" flag
- * that don't appear on the list bellow are delayed with a count of 1
+ * that don't appear on the list below are delayed with a count of 1
  * (see more below).
  *
  * This implementation supports special test cases:
diff --git a/t/lib-bundle.sh b/t/lib-bundle.sh
index cf7ed818b2..62b7bb13c8 100644
--- a/t/lib-bundle.sh
+++ b/t/lib-bundle.sh
@@ -11,7 +11,7 @@ convert_bundle_to_pack () {
 }
 
 # Check count of objects in a bundle file.
-# We can use "--thin" opiton to check thin pack, which must be fixed by
+# We can use "--thin" option to check thin pack, which must be fixed by
 # command `git-index-pack --fix-thin --stdin`.
 test_bundle_object_count () {
 	thin=
diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh
index 11d2dc9fe3..0dd764310d 100644
--- a/t/lib-rebase.sh
+++ b/t/lib-rebase.sh
@@ -187,7 +187,7 @@ set_reword_editor () {
 			exit 1
 		fi
 	fi &&
-	# There should be no uncommited changes
+	# There should be no uncommitted changes
 	git diff --exit-code HEAD &&
 	# The todo-list should be re-read after a reword
 	GIT_SEQUENCE_EDITOR="\"$PWD/reword-sequence-editor.sh\"" \
diff --git a/t/lib-sudo.sh b/t/lib-sudo.sh
index b4d7788f4e..477e0fdc04 100644
--- a/t/lib-sudo.sh
+++ b/t/lib-sudo.sh
@@ -6,7 +6,7 @@ run_with_sudo () {
 	local RUN="$TEST_DIRECTORY/$$.sh"
 	write_script "$RUN" "$TEST_SHELL_PATH"
 	# avoid calling "$RUN" directly so sudo doesn't get a chance to
-	# override the shell, add aditional restrictions or even reject
+	# override the shell, add additional restrictions or even reject
 	# running the script because its security policy deem it unsafe
 	sudo "$TEST_SHELL_PATH" -c "\"$RUN\""
 	ret=$?
diff --git a/t/lib-unicode-nfc-nfd.sh b/t/lib-unicode-nfc-nfd.sh
index 22232247ef..aed0a4dd44 100755
--- a/t/lib-unicode-nfc-nfd.sh
+++ b/t/lib-unicode-nfc-nfd.sh
@@ -74,7 +74,7 @@ test_lazy_prereq UNICODE_NFD_PRESERVED '
 # Yielding:   \xcf \x89  +  \xcc \x94  +  \xcd \x82
 #
 # Note that I've used the canonical ordering of the
-# combinining characters.  It is also possible to
+# combining characters.  It is also possible to
 # swap them.  My testing shows that that non-standard
 # ordering also causes a collision in mkdir.  However,
 # the resulting names don't draw correctly on the
diff --git a/t/perf/p7527-builtin-fsmonitor.sh b/t/perf/p7527-builtin-fsmonitor.sh
index c3f9a4caa4..90164327e8 100755
--- a/t/perf/p7527-builtin-fsmonitor.sh
+++ b/t/perf/p7527-builtin-fsmonitor.sh
@@ -95,7 +95,7 @@ test_expect_success "Setup borrowed repo (fsm+uc)" "
 # time is not useful.
 #
 # Create a temp branch and do all work relative to it so that we don't
-# accidentially alter the real ballast branch.
+# accidentally alter the real ballast branch.
 #
 test_expect_success "Setup borrowed repo (temp ballast branch)" "
 	test_might_fail git -C $REPO checkout $BALLAST_BR &&
diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh
index ab0c763411..8ab6d9c469 100644
--- a/t/perf/perf-lib.sh
+++ b/t/perf/perf-lib.sh
@@ -282,7 +282,7 @@ test_perf_ () {
 #	Run the performance test script specified in perf-test with
 #	optional prerequisite and setup steps.
 # Options:
-#	--prereq prerequisites: Skip the test if prequisites aren't met
+#	--prereq prerequisites: Skip the test if prerequisites aren't met
 #	--setup "setup-steps": Run setup steps prior to each measured iteration
 #
 test_perf () {
@@ -309,7 +309,7 @@ test_size_ () {
 #	prerequisites and setup steps. Returns the numeric value
 #	returned by size-test.
 # Options:
-#	--prereq prerequisites: Skip the test if prequisites aren't met
+#	--prereq prerequisites: Skip the test if prerequisites aren't met
 #	--setup "setup-steps": Run setup steps prior to the size measurement
 
 test_size () {
diff --git a/t/unit-tests/t-reftable-basics.c b/t/unit-tests/t-reftable-basics.c
index e5556ebf52..a9a9f888a4 100644
--- a/t/unit-tests/t-reftable-basics.c
+++ b/t/unit-tests/t-reftable-basics.c
@@ -54,7 +54,7 @@ int cmd_main(int argc UNUSED, const char *argv[] UNUSED)
 		}
 	}
 
-	if_test ("names_length retuns size of a NULL-terminated string array") {
+	if_test ("names_length returns size of a NULL-terminated string array") {
 		const char *a[] = { "a", "b", NULL };
 		check_int(names_length(a), ==, 2);
 	}
diff --git a/t/unit-tests/t-reftable-merged.c b/t/unit-tests/t-reftable-merged.c
index 19e54bdfb8..109d3b07a7 100644
--- a/t/unit-tests/t-reftable-merged.c
+++ b/t/unit-tests/t-reftable-merged.c
@@ -459,7 +459,7 @@ int cmd_main(int argc UNUSED, const char *argv[] UNUSED)
 	TEST(t_merged_logs(), "merged table with multiple log updates for same ref");
 	TEST(t_merged_refs(), "merged table with multiple updates to same ref");
 	TEST(t_merged_seek_multiple_times(), "merged table can seek multiple times");
-	TEST(t_merged_single_record(), "ref ocurring in only one record can be fetched");
+	TEST(t_merged_single_record(), "ref occurring in only one record can be fetched");
 
 	return test_done();
 }