| Full Grown Fool | |
| Type: | single |
| Artist: | Mickey Gilley |
| Album: | Back to Basics |
| B-Side: | To My One and Only |
| Released: | April 4, 1987 |
| Genre: | Country |
| Length: | 2:21 |
| Label: | Epic |
| Producer: | Norro Wilson, Mickey Gilley |
| Prev Title: | Doo-Wah Days |
| Prev Year: | 1986 |
| Next Title: | I'm Your Puppet |
| Next Year: | 1987 |
"Full Grown Fool" is a song written by Allen Reynolds and Susan Taylor, and recorded by American country music artist Mickey Gilley. It was released in April 1987 as the only single from the compilation album Back to Basics. The song reached #16 on the Billboard Hot Country Singles & Tracks chart.[1]