| Number: | 56 |
| Position: | Offensive guard |
| Birth Date: | 19 September 1978 |
| Birth Place: | Whittier, California, U.S. |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lbs: | 305 |
| High School: | Whittier (CA) La Serna |
| College: | Michigan State |
| Draftyear: | 2001 |
| Draftround: | 7 |
| Draftpick: | 217 |
| Pastteams: |
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| Statlabel1: | Games |
| Statvalue1: | 27 |
| Statlabel2: | Games started |
| Statvalue2: | 9 |
| Pfr: | PekoTu20 |
Siitupe Marcus "Tupe" Peko, (born September 19, 1978) is a former American football offensive guard. Peko attended La Serna High School and first played at the collegiate level at Cerritos College before transferring to Michigan State University. He played in the National Football League (NFL) for 4 years, at first primarily as a backup and started in 11 games including playoffs before injuries plagued Peko. He was selected in the seventh round of the 2001 NFL draft.[1] He has played for the New York Jets, Indianapolis Colts, and Green Bay Packers.[2] Peko is married to Valerie Peko and has 3 sons. Currently Peko works as a police officer with the Indianapolis Metropolitan Police Department.[3]
He is the older brother of Arizona Cardinals defensive tackle Domata Peko. He is also a cousin of football player Fou Fonoti.