| William Peterson | |
| Birth Date: | c. 1885 |
| Birth Place: | England |
| Death Place: | Banfield, Buenos Aires, Argentina |
| Position: | Goalkeeper |
| Youthyears1: | 1905–1910 |
| Youthclubs1: | Club Atlético Banfield |
| Years1: | 1911–1913 |
| Clubs1: | Club Atlético Independiente |
William Peterson (c.1885-?) was an English footballer who played as a goalkeeper for Banfield and Independiente in Argentina.
William Peterson was born in England, and emigrated to Argentina about the year 1890. He settled with his family in the south of Greater Buenos Aires largely populated by members of the British community.
He began his sport career in the Club Atlético Banfield, and in 1908 he get the third division championship. In 1910, he was runner-up in the Second Division Tournament with Banfield, who faced against the Racing Club de Avellaneda the final for the promotion to the first division. Two year later, he was player of the team Independiente de Avellaneda, playing the 1912 championship final against Club Atlético Porteño.