William Miller (March 16, 1821 – February 21, 1901) was a banker and politician from South Bend, Indiana.

He served as Mayor of South Bend from 1872 to 1876 and was on the city council.

[1] Miller and his family moved to South Bend, Indiana, in August 1837.

In 1846, Miller worked in the dry goods business and clerked for different firms.

[1][2] In 1855, Miller moved from St. Louis, Missouri, back to South Bend.

[1][2][5] Miller served as mayor during a debate about a replacement water system in South Bend.

[1] Miller married Mary Kabbell Butler of Brentwood, Essex, on February 5, 1874.