This is a list of some of the records relating to home runs hit in baseball games played in the Major Leagues. Some Major League records are sufficiently notable to have their own page, for example the single-season home run record, the progression of the lifetime home run record, and the members of the 500 home run club. A few other records are kept on separate pages, they are listed below.
Key
Players and the columns that correspond are denoted in boldface if they are still actively contributing to the record noted. ==Career records==
Career records
Most seasons with 40 home runs Most consecutive seasons with 40 home runs Most seasons with 30 home runs Most consecutive seasons with 30 home runs Most seasons with 20 home runs Most consecutive seasons with 20 home runs Most seasons as league leader in home runs see note1 Most consecutive seasons as league leader in home runs see note1 League leader in home runs, both leagues League leader in home runs, three different teams Players who have hit at least one home run in 40 stadiums Most career grand slams ===Most career
walk-off home runs=== ==Season records==
Season records
Most home runs by a team in one season Most grand slams by a player in one season (pictured in 1988) hit all six grand slams of his career in 1987.|thumb|right|upright=0.75 Most home runs by a rookie player ==Game records==
Game records
Four home runs by an individual in one game Four consecutive home runs by a team in one game Home runs on three or more consecutive pitches Two grand slams by one hitter in one game Three grand slams by a team in one game ==Other==
Other
Most home runs on a single day (all teams combined) Most walkoff home runs in a season (all teams combined) ==See also==