If you are talking about in a career, Barry Bonds hit 762 in his career. For a season, it is also Barry Bonds, who hit 73 homeruns in 2001. MLB record for most HR in a game: The record is 4, held by multiple players: Colavito (1959), Cameron (2002), Delgado (2003), Gherig (1932), Adcock (1954), Delahanty (1896), Green (2002), Hodges (1950), Horner (1986), Lowe (1894), Mays (1961), Whiten (1993). In NCAA Baseball, the record for HR in a season: Pete Incaviglia from Oklahoma State. He hit 48 in 75 games in 1985. The NCAA HR in a career record: Incaviglia, who hit 100 HR between 1983-85 (213 games). The record for most HR's in a single NCAA baseball game: Marshall McDougall (Florida State, 1999)- 6 HR's vs. Maryland
Bernie Williams with 151. Paul O'Neill is next with 146.
In Major League Baseball, Barry Bonds has hit the most home runs.
Barry Bonds has hit the most home runs at Rangers Ballpark in Arlington
Ernie Banks hit 512 home runs Sammy Sosa hit 609 home runs
Hank Aaron hit 755 lifetime home runs for the braves.
Dave Klingman holds the record for most home runs hit during a retirement season. He hit 35 home runs in his 1987 final season.
In 2010, Albert Pujols hit the most home runs in the National League, with 42.
Dave Klingman holds the record for most home runs hit during a retirement season. He hit 35 home runs in his 1987 final season.
Sammy Sosa hit the most home runs off pitchers Jose Lima and Curt Schilling. Sosa hit 7 home runs off each.
The most home runs Hank Aaron hit in one season was 47, in 1971.
Barry Bonds hit the most home runs in MLB history, with 762.
Bernie Williams hit the most career postseason home runs as a Yankee with 22.