The 1923 College Football All-Southern Team consists of American football players selected to the College Football All-Southern Teams selected by various organizations for the 1923 Southern Conference football season.

The 1923 Florida Gators football team represented the University of Florida during the 1923 Southern Conference football season. This was Major James Van Fleet's first of two seasons as the head coach of the Florida Gators football team. Van Fleet was a serving officer in the U.S. Army and a professor of military tactics in the university's Reserve Officer Training Corps (ROTC) program, and had been a standout fullback on the undefeated West Point Cadets team of 1914. Van Fleet's 1923 Florida Gators finished 6–1–2 overall, and 1–0–2 in the Southern Conference, placing third of twenty-one teams in the conference standings.