Keiji Shirahata (白幡 圭史, Shirahata Keiji, born 8 October 1973) is a retired Japanese speed skater.

With two silver and one bronze medals at the World All-Round Speed Skating Championships he has been the most successful Japanese long track speed skater in all-round competitions.

He was ranked 4th on the Adelskalender in February 1997.

[1] Shirahata established 22 national records and was nine times national all-round champion.

This biographical article on a speed skater in Japan is a stub.