Guihomar VI, Viscount of Léon

Guihomar VI of Léon (bef. 1200–c. 1239) was the Viscount of Léon. He revolted against Duke Peter of Brittany. Guihomar paid homage to Louis IX in 1231. By 1237, he recognized Duke John I of Brittany as his liege. Guihomar died in 1239.