Hannibal Vyvyan (1545 – 4 February 1610), of Trelowarren in Cornwall, was an English Member of Parliament (MP); his surname is sometimes spelt Vivian. The eldest son of John Vyvyan (died 1577), also an MP, and head of one of Cornwall's leading families, he represented Plympton Erle in the Parliament of 1585, Helston in 1586-7 and 1601, and Truro in 1588-9. He was also Captain of St Mawes castle, High Sheriff of Cornwall in 1601 and Vice Admiral of South Cornwall from 1601 to 1607.
He married Phillipa Tremayne (1555?-1612) in 1574, and they had numerous children. His eldest son, Sir Francis (died 1635), was also a Member of Parliament and High Sheriff while his grandson, Sir Richard, was created a baronet in 1645. Hannibal Vyvyan died at the age of 64, and was buried on 20 February 1610 at St Dunstan's in Middlesex.