Humphrey de Bohun, 7th Baron de Bohun and 3rd Earl of Hereford (1249 – December 31, 1297) was one of several noblemen of the same name to have held the earldom of Hereford, and a key figure in the Norman conquest of Wales.

He was the son of Humphrey de Bohun, 2nd Earl of Hereford and 6th Baron de Bohun, by Alianore De Braos, a daughter of William de Braos and Eve Marshall. An older son, also named Humphrey, predeceased his father, who died in 1275. The 3rd Earl was also the 2nd Earl of Essex, and held the positions of Lord Warden of the Cinque Ports, and Constable of all England.

Humphrey de Bohun took part in Roger Mortimer's war against the Welsh, and was present at the defeat at Cefnllys in November, 1262, by Llywelyn ap Gruffydd. He died at Pleshy Castle , in Essex.

Family

Humphrey Bohun married Maud de Fiennes sometime between 1264 and 1279. Maud was born between 1236 and 1259, a daughter of Engerrand de Fiennes. She died before 1347. Their son another Humphrey de Bohun, succeeded him as the 8th Baron de Bohun and as Earl of Hereford.

|- style="text-align: center;" | width="30%" |Preceded by:
The Earl of Hereford and Essex | width="40%" style="text-align: center;" |Lord High Constable
1275–1298 | width="30%" |Succeeded by:
The Earl of Hereford and Essex