Baseball – Leading Season Home Runs Record Holders
| Rank | Player | Home Runs | Year |
| 1 | Barry Bonds | 73 | 2001 |
| 2 | Mark McGwire | 70 | 1998 |
| 3 | Sammy Sosa | 66 | 1998 |
| 4 | Mark McGwire | 65 | 1999 |
| 5 | Sammy Sosa | 64 | 2001 |
| 6 | Sammy Sosa | 63 | 1999 |
| 7 | Aaron Judge | 62 | 2022 |
| 8 | Roger Maris | 61 | 1961 |
| 9 | Cal Raleigh | 60 | 2025 |
| 9 | Babe Ruth | 60 | 1927 |
| 11 | Babe Ruth | 59 | 1921 |
| 11 | Giancarlo Stanton | 59 | 2017 |
| 13 | Jimmie Foxx | 58 | 1932 |
| 13 | Hank Greenberg | 58 | 1938 |
| 13 | Ryan Howard | 58 | 2006 |
| 13 | Aaron Judge | 58 | 2024 |
| 13 | Mark McGwire | 58 | 1997 |
| 18 | Luis Gonzalez | 57 | 2001 |
| 18 | Alex Rodriguez | 57 | 2002 |
| 20 | Ken Griffey Jr. | 56 | 1997 |
| 20 | Ken Griffey Jr. | 56 | 1998 |
| 20 | Kyle Schwarber | 56 | 2025 |
| 20 | Hack Wilson | 56 | 1930 |
| 24 | Shohei Ohtani | 55 | 2025 |
| 25 | José Bautista | 54 | 2010 |
| 25 | Ralph Kiner | 54 | 1949 |
| 25 | Mickey Mantle | 54 | 1961 |
| 25 | Shohei Ohtani | 54 | 2024 |
| 25 | Matt Olson | 54 | 2023 |
| 25 | David Ortiz | 54 | 2006 |
| 25 | Alex Rodriguez | 54 | 2007 |
| 25 | Babe Ruth | 54 | 1920 |
| 25 | Babe Ruth | 54 | 1928 |
| 34 | Pete Alonso | 53 | 2019 |
| 34 | Chris Davis | 53 | 2013 |
| 34 | Aaron Judge | 53 | 2025 |
| 37 | George Foster | 52 | 1977 |
| 37 | Aaron Judge | 52 | 2017 |
| 37 | Mickey Mantle | 52 | 1956 |
| 37 | Willie Mays | 52 | 1965 |
| 37 | Mark McGwire | 52 | 1996 |
| 37 | Alex Rodriguez | 52 | 2001 |
| 37 | Jim Thome | 52 | 2002 |
| 44 | Cecil Fielder | 51 | 1990 |
| 44 | Andruw Jones | 51 | 2005 |
| 44 | Ralph Kiner | 51 | 1947 |
| 44 | Willie Mays | 51 | 1955 |
| 44 | Johnny Mize | 51 | 1947 |
| 49 | Brady Anderson | 50 | 1996 |
| 49 | Albert Belle | 50 | 1995 |
| 49 | Prince Fielder | 50 | 2007 |
| 49 | Jimmie Foxx | 50 | 1938 |
| 49 | Sammy Sosa | 50 | 2000 |
| 49 | Greg Vaughn | 50 | 1998 |
Updated: October 4, 2025
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