Heder may refer to:

• Cheder, a traditional elementary school teaching the basics of Judaism and the Hebrew language
• Héder (genus), a gens in the Kingdom of Hungary
• Heder (Lippe), a river of North Rhine-Westphalia, Germany, tributary of the Lippe
• Heder (TV series), a Swedish television series

People with that name

• Héder, a German knight who settled down in the Kingdom of Hungary, eponymous co-founder of the Héder gens
• Carsten Meyer-Heder (born 1961), German CDU politician
• János Héder (1933–2014), Hungarian gymnast
• Jon Heder (born 1977), American actor and producer
• Léopold Héder (1918–1978), politician from French Guiana who served in the French National Assembly and in the French Senate
• Sian Heder (born 1977), American writer and filmmaker
• Héder Viczay (1807–1873), Hungarian traveler, amateur archaeologist, collector, Imperial and Royal Privy Councillor