Adelheid of Hanau

Adelheid of Hanau (born 1311–1313, died after 1378) was a daughter of Ulrich II, Lord of Hanau, and Agnes of Hohenlohe. She was first married to Count Eberhard II of Katzenelnbogen, who died soon after the wedding in 1329 leaving no children.

In July 1332 she was betrothed to Henry II of Isenburg-Büdingen, her dowry handed over that September; among their children were John I of Isenburg-Büdingen and Adelheid, abbess of Quedlinburg. She was buried at Arnsburg Abbey.