Floyer is both a surname and a given name. Notable people with the name include:
Surname:
- John Floyer (physician) (1649–1734), English physician and author
- John Floyer (Tamworth MP) (c.1681–1762), English politician, MP for Tamworth 1741–42
- John Floyer (Dorset MP) (1811–1887), English Conservative politician, MP for Dorset 1846–67 and 1864–95
Given name:
- Floyer Sydenham (1710–1787), English classical scholar