| Frank Johnson | |
| Position: | Outfielder/Third baseman/First baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 22 July 1942 |
| Birth Place: | El Paso, Texas, U.S. |
| Died: | - |
| Debutleague: | MLB |
| Debutdate: | September 7 |
| Debutyear: | 1966 |
| Debutteam: | San Francisco Giants |
| Finalleague: | MLB |
| Finaldate: | June 12 |
| Finalyear: | 1971 |
| Finalteam: | San Francisco Giants |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .211 |
| Stat2label: | Home runs |
| Stat2value: | 4 |
| Stat3label: | Runs batted in |
| Stat3value: | 43 |
| Teams: | |
Frank Herbert Johnson (born July 22, 1942) is a retired American professional baseball player. Primarily an outfielder and third baseman, he had a 13-season career that included one full season and parts of five others (1966–1967; 1969–1971) with the San Francisco Giants of Major League Baseball. He threw and batted right-handed, stood 6feet tall and weighed during his active career.
Johnson batted over .290 in four of his first seven seasons in minor league baseball, and had late-season trials with the Giants in both and . He got into 67 games played with the Giants, but batted only .190 in 174 at bats during "The Year of the Pitcher." His best pro season came in when he batted .353 in the Pacific Coast League, then spent another 67 games with the MLB Giants, where he registered a career-high .273 batting average, 44 hits, three home runs and 31 runs batted in as a backup left fielder and first baseman. His MLB career coincided with the final years of the Willie Mays era, when the Giants also featured such young outfielders as Jesús Alou, Bobby Bonds, Ollie Brown, George Foster, Jim Ray Hart and Ken Henderson.
All told, Johnson collected 92 Major League hits in 192 games and 436 at bats. His playing career ended after the 1975 campaign.