| Pete Barnes | |
| Number: | 58, 59 |
| Position: | Linebacker |
| Birth Date: | 31 August 1945 |
| Birth Place: | Keachi, Louisiana, U.S. |
| Death Place: | Tucson, Arizona, U.S. |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lbs: | 239 |
| High School: | Mary C. Womack (TX) |
| College: | Southern |
| Draftyear: | 1967 |
| Draftround: | 6 |
| Draftpick: | 136 |
| Pastteams: |
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| Statlabel1: | Games played |
| Statvalue1: | 142 |
| Statlabel2: | Interceptions |
| Statvalue2: | 15 |
| Pfr: | BarnPe20 |
Peter G. Barnes (August 31, 1945 – May 3, 2018) was an American football linebacker who played professionally in the American Football League (AFL) and the National Football League (NFL). He played college football at Southern University. He played professionally in the AFL for the Houston Oilers in 1967 and 1968, and the San Diego Chargers in 1969. He then played in the NFL for the Chargers (1970–72), the St. Louis Cardinals (1973–75), and the New England Patriots (1976–77).[1] He was the father of Arizona women's basketball coach Adia Barnes.
Peter died May 3, 2018, in Tucson hospice care after suffering from Alzheimer's disease.[2] He was 72 years old.