Seibel may refer to:
- Albert Seibel (1844-1936), a French physician and viticulturist
- Cathy Seibel (1960-), an American federal judge
- John Seibel (1970-), an American journalist who has worked for ESPN
- Kevin Seibel (born 1983), a Canadian professional ice hockey defenceman
- Klauspeter Seibel (1936-2011), a German conductor of the Louisiana Philharmonic Orchestra
- Phil Seibel (1979-), a former left-handed starting/relief baseball pitcher
Seibels may refer to:
- Edwin G. Seibels (1866–1954), the inventor of the vertical filing system
- Henry Seibels (-1876), an American football player