Hoop is a surname. Notable people with the surname include:
- Franz Josef Hoop (1871–1923), Liechtenstein politician
- Franz Xaver Hoop (1886–1960), Liechtenstein politician
- Martin Hoop (1892–1933), German politician
- Josef Hoop (1895–1959), prime minister of Liechtenstein
- Wyn Hoop (born 1936), German singer
- Gregor Hoop (born 1964), Liechtenstein alpine skier
- Ronald Hoop (born 1967), Dutch-Surinamese footballer
- Jesca Hoop (born 1975), American singer-songwriter and guitarist
- Imbi Hoop (born 1988), Estonian footballer