William or Will Jacobsen, or William or Will Jacobson may refer to:
Jacobsen Will Jacobsen (born 1988), American basketball player William L. Jacobsen, American ambassador to Guinea-Bissau William S. Jacobsen, U.S. representative from Iowa
Jacobson William Jacobson (1803–1884), English professor of divinity and bishop of Chester William A. Jacobson, American lawyer, clinical professor and conservative blogger Baby Doll Jacobson (William Chester Jacobson, 1890–1977), American baseball outfielder
See also Bill Jacobsen (disambiguation)