Ralph Daryl Cato (January 8, 1920 – October 3, 1970) was an American football center.

Cato was born in Lonoke, Arkansas in 1920 and attended Lonoke High School.

[1] He played college football for Arkansas.

[2] He was selected by the Associated Press and United Press as the second-team center on the 1941 All-Southwest Conference football team.

He appeared in a total of 12 professional games, three of them as a starter.