Dan O'Day

{{short description|American football quarterback and coach}}

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

{{Infobox college coach

| name = Dan O'Day

| image =

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| birth_date =

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| death_date = 1953

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| alma_mater =

| player_years1 = 1887–1888

| player_team1 = Georgetown

| player_positions = Quarterback

| coach_years1 = 1888

| coach_team1 = Georgetown

| overall_record =

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}}

Daniel E. O'Day (died 1953) was an American college football player and coach.{{cite book|url=https://books.google.com/books?id=bZpGAQAAMAAJ|title=Georgetown College Journal, Volume 27, Issues 1-28|year=1898 |publisher=Georgetown University|access-date=March 21, 2019}} He served as a player-coach at Georgetown University in Washington, D.C. in 1888.{{cite web|url=http://www.hoyafootball.com/players/coaches.htm|title=Coaches|publisher=Georgetown Football History Project|access-date=December 30, 2018|archive-date=October 13, 2018|archive-url=https://web.archive.org/web/20181013053947/http://www.hoyafootball.com/players/coaches.htm|url-status=dead}} O'Day was the starting quarterback for the Hoyas in 1887 and 1888.{{cite web|url=http://www.hoyafootball.com/players/1887.htm|title=1887 Players|publisher=Georgetown Football History Project|access-date=December 30, 2018}}