Sieghart or Sieghard (), sometimes Sighard or Sieghardt, anglicized as Sigehard, is a German masculine given name and surname. Notable people with the name include:

Given name Sigehard, Count in Luihgau and Hainaut (10th century) Sigehard (patriarch of Aquileia) (died 1077) Sieghard Brandenburg (1938–2015), German musicologist Sieghart Dittmann (born 1934), German chess player and epidemiologist Sieghart Döhring (born 1939), German musicologist Sighard F. Hoerner (1906–1971), German scientist Sieghard Knodel (born 1961), German politician Sieghardt Rupp (1931–2015), Austrian actor

Surname Alexander Sieghart (born 1994), Thai footballer Ingomar Sieghart (born 1943), German athlete Mary Ann Sieghart (born 1961), English journalist, author and radio presenter William Sieghart (born 1960), British entrepreneur, publisher and philanthropist

Fictional characters Sieghart, a major character in the video game Record of Agarest War Zero Sieghart Caesar, a character in the anime/manga Rave Master

See also

Sieghardinger, a medieval noble family of Bavaria Sigard, a variant of the name Siegert, a surname Ceccardo, the Italian equivalent of the name