Ralph Lincoln Vaughn (February 12, 1918 – June 8, 1998) was an American basketball player for the Southern California Trojans.

That season, Vaughn led the Sam Barry–coached team to their first ever NCAA Tournament, losing in the national semifinals.

Vaughn once scored 36 points in a single game against UCLA, which was a conference record that stood for 21 years.

At Frankfort High School in Indiana, Vaughn led the North Central Conference in scoring during his junior and senior seasons, winning the state championship as a junior in 1935.

He was also dubbed All-State and played for future Hall of Famer Everett Case.