| Number: | 27 |
| Position: | Safety |
| Birth Date: | 13 January 1944 |
| Birth Place: | Baltimore, Maryland, U.S. |
| High School: | Wilmette (IL) Loyola |
| College: | Notre Dame |
| Afldraftyear: | 1966 |
| Afldraftround: | 2 |
| Afldraftpick: | 16 |
| Draftyear: | 1966 |
| Draftround: | 2 |
| Draftpick: | 17 |
| Pastteams: | |
| Highlights: |
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| Statlabel1: | Games played - started |
| Statvalue1: | 27 - 0 |
| Statlabel2: | Interceptions |
| Statvalue2: | 1 |
| Statlabel3: | Fumble recoveries |
| Statvalue3: | 2 |
Nicholas Charles Rassas (born January 13, 1944) is an American former professional football player for the Atlanta Falcons from 1966 to 1968. He is also notable for playing college football at Notre Dame where he played for Ara Parseghian from 1963 to 1965. Rassas was a main Underdog in a Jim Dent book Resurrection: The Miracle Season That Saved Notre Dame, which was based on the 1964 Notre Dame Fighting Irish football team.