The Germanic first name Günther or Guenther, also Gunthar, refers to various medieval persons, including:

• Blessed Gunther, a Bohemian hermite
• Gunther of Cologne

As a family name, it refers to:

• Albert C. L. G. Günther (1830–1914), English zoologists
• Christian Günther (1886–1966), Swedish Foreign Minister
• Gotthard Günther (1900–1984), German philosopher
• Hans F.K. Günther (1891–1968), Nazi racial theorist.
• Robert Gunther, Science historian.
• Günther is the stage persona of Swedish musician Mats Söderlund, most famous for the Ding Dong Song.

Günther | Günther