Chaiyo is a Thai exclamation, equivalent to 'hurrah' in English.
Chaiyo may also refer to:
Chaiyo district, a district (amphoe) in Ang Thong province, Thailand Wat Chaiyo, common name of , a Buddhist temple in Chaiyo Chaiyo, the mascot of the 1998 Asian Games Chaiyo Productions, a Thai film production company headed by Sompote Sands