Frederick V. Ostergren (c. 1886 – July 4, 1945) was an American football, basketball, and baseball coach.

[1] He played both college football and baseball at Holy Cross in Worcester, Massachusetts.

He played professional baseball in the Boston Red Sox farm system for the Manchester Textiles (also known as the Fitchburg Burghers) in 1914 and the Lawrence Barristers in 1915 and 1916.

[2] Collegiately, Ostegren coached at St. Bonaventure, Bowdoin, and Western Reserve.

He also coached at Portland and Deering high schools in Maine and at Malden, Mass.