| Marc Newfield | |
| Position: | Left fielder |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 19 October 1972 |
| Birth Place: | Sacramento, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | July 6 |
| Debutyear: | 1993 |
| Debutteam: | Seattle Mariners |
| Finalleague: | MLB |
| Finaldate: | September 15 |
| Finalyear: | 1998 |
| Finalteam: | Milwaukee Brewers |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .249 |
| Stat2label: | Home runs |
| Stat2value: | 22 |
| Stat3label: | Runs batted in |
| Stat3value: | 132 |
| Teams: |
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Marc Alexander Newfield (born October 19, 1972) is an American former professional baseball player from to who played for the Seattle Mariners, San Diego Padres, and Milwaukee Brewers of Major League Baseball (MLB).
In 1996, he was one of three players traded from San Diego to Milwaukee for Greg Vaughn.
He played baseball for Marina High School in Huntington Beach, California.