:Stewart Clark

{{Short description|American football and basketball coach}}

{{For|the Scottish businessman and politician|Stewart Clark (politician)}}

{{Use mdy dates|date=July 2024}}

{{Infobox college coach

| name = Stewart Clark

| image = Stewart Clark.png

| alt =

| caption = Clark pictured in the Crimson Rambler 1921, Carthage yearbook

| birth_date = {{Birth date|1890|4|12}}

| birth_place = Carthage, Illinois, U.S.

| death_date = {{Death year and age|1974|1890}}

| death_place = Illinois, U.S.

| alma_mater = William & Vashti College

| player_years1 =

| player_team1 =

| player_positions =

| coaching_records =

| coach_sport1 = Football

| coach_years2 = 1915–1919

| coach_team2 = Carthage

| coach_years3 = 1928–1929

| coach_team3 = Western State (CO)

| coach_sport4 = Basketball

| coach_years5 = 1924–1928

| coach_team5 = Wyoming

| overall_record = 10–19 (football)
43–24 (basketball)

| bowl_record =

| tournament_record =

| championships =

| awards =

}}

Stewart McCullough Clark (April 12, 1890 – 1974) was an American football and basketball coach. He served as the head football coach at Carthage College in Carthage, Illinois from 1915 to 1919 and at Western State College of Colorado—now known as Western Colorado University—from 1928 to 1929, compiling a career college football coaching record of 10–19. Clark was also the head basketball coach at the University of Wyoming from 1924 to 1928, tallying a mark of 43–24. He was a brother of Potsy Clark.