This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "Cas Banaszek" – news · newspapers · books · scholar · JSTOR (November 2019) (Learn how and when to remove this message)
Cas Banaszek
No. 79
Date of birth(1945-10-24)October 24, 1945
Place of birthChicago, Illinois, U.S.
Date of deathDecember 4, 2019(2019-12-04) (aged 74)
Place of deathPetaluma, California, U.S.
Career information
US collegeNorthwestern
NFL draft1967 / Round: 1 / Pick 11
Career history
As player
1968–1977San Francisco 49ers
Career highlights and awards
Career stats

Casimir Joseph Banaszek (October 24, 1945 – December 4, 2019) was a professional American football offensive lineman who played ten seasons with the San Francisco 49ers. He played his college football at Northwestern University, and was named to the Chicagoland Sports Hall of Fame.[1] Casimir passed from Glioblastoma in December 2019.