Héder, also Hedrich, Heindrich and Henry (; died after 1164) was a German knight possibly from the Duchy of Carinthia, who, alongside his brother Wolfer, settled down in the Kingdom of Hungary and became a member of the Hungarian nobility. Héder was also co-founder of the powerful Héder clan and ancestor of the Hédervári family.

A Cheder (alternatively, Cheider, in Hebrew חדר, meaning "room") is a traditional elementary school teaching the basics of Judaism and the Hebrew language.