Peter Mills
Peter Mills may refer to:
- Peter Mills (1598–1670), English bricklayer and architect
- Peter Mills (American politician), American politician from Maine
- Peter Mills (British politician), British Conservative politician
- Peter Mills (1927–1988), pretender to the Byzantine throne
- Peter Mills (badminton), English badminton player
- Peter Mills (Chicago Fire), a fictional character from the TV series Chicago Fire
- Peter Mills (composer), composer of musicals
- Peter Mills (field hockey), British Olympic hockey player
- Peter Mills (golfer), English golfer
- Peter Mills (RAF officer), Church of Scotland minister and former head of the RAF Chaplains Branch
- Peter Mills (cricketer), English cricketer
- Peter Mills (freedman), allegedly the last known surviving American slave
- S. Peter Mills Jr., American attorney and politician from Maine