Oldřich Vavák of Hradec ( – 22 September 1421) was a Czech nobleman and one of the few representatives of the higher nobility who joined the Hussites from the onset of the Hussite Wars. He fought alongside Jan Žižka.
Biography.
Oldřich was born to the prominent of South Bohemia. He studied abroad at the University of Heidelberg in 1390, and inherited several estates from his father.
While his brother was a devout Christian, Oldřich supported the teachings of Jan Hus. He affixed his seal to a in 1415. In 1420, he campaigned with Žižka and contributed to the capture of Lomnice, which had been entrusted to Oldřich's brother Jan. Oldřich also sought to take the family seat of Jindřichův Hradec from his brother.
Oldřich was against the more radical factions in the Hussite movement, and he frequently collaborated with the Utraquist commander Čeněk of Wartenberg. In 1421, he imprisoned the Taborite preacher . Along with Žižka, he also campaigned against the Neo-Adamites who settled near the Lužnice River. The group was subsequently burned at the stake. 
Oldřich was appointed in 1421, but died shortly after from the plague on September 22 of that year.
Family.
Oldřich is the son of . He is distinguished from his relatives and .
Oldřich is also known as Oldřich the Younger ("mladší") Vavák of Hradec, as he is differentiated from another Oldřich Vavák of Hradec, son of Oldrich IV. The elder Oldřich Vavák also served as Supreme Mintmaster in 1403, but died in 1412. 
In popular culture.
Oldřich is the basis of a character in the 2025 video game "". He was voiced by in the Czech version of the game.