Pendennis may refer to:
Pendennis, a novel by the English author Thackeray. Pendennis Castle, a castle in Cornwall. RMS Pendennis Castle, a ship. GWR 4073 Class 4079 Pendennis Castle, a steam locomotive. Pendennis Club, a private club in Louisville, Kentucky. Pendennis Club (cocktail), a cocktail invented at this club. Pendennis, a town in Kansas, United States. HMS Pendennis (1679), a British warship. HMS Pendennis (1695), a British warship.