Strategus is a genus of rhinoceros beetles belonging to the family Scarabaeidae.

Species within this genus can reach a length of 30–45 millimetres (1.2–1.8 in).

These large beetles have a more or less cylindrical body.

Males are generally markedly larger than the females and have a long horn on the head and also two forward-looking horns on pronotum.

Species within this genus include:[1]