- Fadeaway Slide (1909)
- Fair-Weather Fan (1895)
- Fallaway Slide (1908)
- Fall Classic (1912)
- Fan (Strike Out) (1887)
- Fan Interference (1914)
- Fan Appreciation Day (1911)
- Farm Club (1896)
- Farm System (1896)
- Farm Team (1896)
- Fashion a Hit (1925)
- Fat Part of the Bat (1910)
- Feet-First Slide (1886)
- Fielder’s Choice (1880)
- Fielding Average (1871)
- Fielding Percentage (1877)
- Fielding Practice (1886)
- Fill the Bases (1871)
- Finesse Pitcher (1937)
- Fireball (1913)
- First Base Hit (1869)
- First Sacker (1899)
- Five-Man Rotation (1948)
- Fluke Hit (1891)
- Fly-Ball Pitcher (1916)
- Flycatcher (1883)
- Flychaser (1887)
- Flyhawk (1917)
- Foot in the Bucket (1905)
- Force Play (1889)
- Foreign Substance (1912)
- Forkball (1908)
- 40-40 Club (1973)
- Foul Bunt (1888)
- Foul Off (v.) (1888)
- Foul Out (v.) (1866)
- Foul Pole (1892)
- Foul Territory (1885)
- Foul Tip (1860)
- Four Bagger (1878)
- Four-Base Hit (1869)
- Four-Man Rotation (1939)
- Four-Seamer (1978)
- Four-Seam Fastball (1977)
- Free Swinger (1899)
- Friendly Confines (1908)
- Front Office (1919)
- Frozen Rope (1938)
- Futility Player (1929)
- Future Hall of Famer (1939)