Juozas Grušas (November 16, 1901, Žadžiūnai-Kalniškiai, Kovno Governorate – May 21, 1986, Kaunas) was a Lithuanian writer, editor, dramatist and playwright.
Grušas' first inspirational teacher was the Lithuanian poet Jovaras, who taught him writing and spurred his interest in literature.
He was interested in Lithuanian and Baltic history and several of his drama plays are about historic characters of the past.
Juozas Grušas Secondary School (in Šilainiai elderate of Kaunas) was named in his honour.
Collected works: He received awards for Herkus Mantas in 1957, and for Švitrigaila, Barbora Radvilaitė and Pijus nebuvo protingas in 1976.