| Position: | Linebacker |
| Number: | 59 |
| Birth Date: | 14 August 1967 |
| Birth Place: | San Diego, California, U.S. |
| Height Ft: | 6 |
| Height In: | 2 |
| Weight Lbs: | 235 |
| High School: | Lawrence (KS) |
| College: | Tennessee |
| Draftyear: | 1989 |
| Draftround: | 1 |
| Draftpick: | 28 |
| Teams: | |
| Highlights: |
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| Statlabel1: | Sacks |
| Statvalue1: | 1 |
| Statlabel2: | Interceptions |
| Statvalue2: | 2 |
| Statlabel3: | Fumble recoveries |
| Statvalue3: | 6 |
Keith Allen DeLong (born August 14, 1967) is an American former professional football player who was a linebacker who played professionally in the National Football League (NFL) for the San Francisco 49ers from 1989 to 1993. He was selected by the 49ers in the first round of the 1989 NFL draft.[1] He earned a Super Bowl ring in his rookie season, in Super Bowl XXIV.[2]
DeLong is the son of SEC Legend and Outland Trophy winner Steve DeLong. He is one of only a handful of father/son combinations who both played at the NFL level. Both attended the University of Tennessee.[3] He was married to Marla Murrah, the niece of country songwriter Roger Murrah, and they had three children, two daughters and a son.