Willie Ritchie (born Gerhardt Anthony Steffen, February 13, 1891 – March 24, 1975), was the World lightweight champion from 1912 to 1914.

[1][3] Gerhardt Anthony Steffen was born in San Francisco, California on February 13, 1891.

[3] On July 16, 1908, he met future World Bantamweight Champion Jimmy Walsh at the Reliance Athletic Club in Oakland, California, and won a six-round points decision.

Ritchie's first title shot was with reigning lightweight champion Ad Wolgast on November 28, 1912, in San Francisco.

[3] In 1914, he sailed to London to face the British lightweight champion, Freddie Welsh.