Margaret Holgerson (January 28, 1927 – March 23, 1990) was an American pitcher and infielder who played from 1946 to 1952 in the All-American Girls Professional Baseball League.

[1][2] Holgerson entered the league in 1946 with the Rockford Peaches, playing for them through the 1949 mid-season before joining the Muskegon Lassies (1949–1950) and the Grand Rapids Chicks (1950–1952).

The Peaches, with Bill Allington at the helm, advanced to the best-of-five series of the Western Division and swept the Peoria Redwings in three games.

[4] At the end, the Peaches never gave the Fort Wayne Daisies a chance as Rockford jumped out to a three-game lead and clinched the Championship Title four games to one.

[4][5] In 1949, Holgerson divided her playing time between Racine and Muskegon, as the league shifted players as needed to help new teams stay afloat.

She crowned her successful year by ending second with 123 strikeouts, being surpassed only by Jean Faut of the South Bend Blue Sox (135).