Jonathan Trelawny may refer to:
- Sir Jonathan Trelawny (High Sheriff of Cornwall), Member of Parliament for Liskeard and Cornwall
- Sir Jonathan Trelawny, 2nd Baronet (c. 1623âÂÂ1681), his grandson, Member of Parliament for East Looe, Cornwall and Liskeard
- Jonathan Trelawny (MP for West Looe), of Plymouth, MP for West Looe (UK Parliament constituency) 1677âÂÂ1685 and 1690âÂÂ1695
- Sir Jonathan Trelawny, 3rd Baronet (1650âÂÂ1721), Bishop of Bristol, Exeter and Winchester