Sadaharu Oh, 1st baseman for the Yomiuri Giants in the Japanese major leagues from 1959-1980, is the all time home run leader with 868.
Barry Bonds *
With the use of steroids
Barry Bonds holds the records for most home runs in a season (73) and for a career (762).
Barry Bonds has the most homeruns in a single season. His record is 73.
Barry Bonds holds the record for career home runs with 762 and the mark for most homers in a season with 73.
Giancarlo Stanton holds the record for the most home runs in a Home Run Derby, hitting 61 home runs in the 2016 competition.
The record for most home runs hit during a World Series is 5, held by Reggie Jackson and Chase Utley.
Jason Bay has the record with 61
Frank Robinson
Slugger Barry Bonds holds the record for the most home runs in a career. In the course of his career, he blasted 762 out of the park.
Barry Bonds holds the record for career home runs with 762 and the mark for most homers in a season with 73.
He holds the major league records for most home runs in a career (762) and most home runs in a season (73).
Rid
Mickey Mantle holds the record for most World Series home runs with 18.
Ted Williams holds the record for most career home runs by a Boston Red Sox player with 521.
Barry Bonds
Manny Ramirez
16
Dave Klingman holds the record for most home runs hit during a retirement season. He hit 35 home runs in his 1987 final season.
Barry Bonds of the San Francisco Giants hit a record 73 home runs during the 2001 season. He also holds the record for career home runs with 762.
He holds the world record for the most home runs in a single season.