| Steve Kiefer | |
| Position: | Third baseman |
| Birth Date: | 18 October 1960 |
| Birth Place: | Chicago, Illinois, U.S. |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | September 3 |
| Debutyear: | 1984 |
| Debutteam: | Oakland Athletics |
| Finalleague: | MLB |
| Finaldate: | August 22 |
| Finalyear: | 1989 |
| Finalteam: | New York Yankees |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .192 |
| Stat2label: | Home runs |
| Stat2value: | 7 |
| Stat3label: | Runs batted in |
| Stat3value: | 30 |
| Teams: | |
Steven George Kiefer (born October 18, 1960) is an American former professional baseball third baseman. He played in Major League Baseball (MLB) from 1984 to 1989 for the Oakland Athletics, Milwaukee Brewers, and New York Yankees. Most of his career-best totals were set in 1987 while playing for the Brewers.
Steve's brother is former major league pitcher Mark Kiefer.