Wai Wai (Thai: ไวไว, pronounced [wāj wāj]) is a brand of instant noodles originating in Thailand.

The brand has been produced in Thailand since 1972 by Thai Preserved Food Factory Co., Ltd.[3][4] Thai Preserved Food Factory Co. Ltd. was founded in Thailand in 1972 by Surin Napapruekchat and seven other families.

[5] The company's managing director since 1998 has been Pricha Napapruekchat, the eldest son of the founder.

[5] TPFF has factories on 99 rai in tambons Om Yai and Rai Khing in the Sam Phran District of Nakhon Pathom Province and will build another in Ratchaburi.

[5] The company anticipates it growth of instant noodles will hit five percent in 2019, up from the average of 1–3% over the preceding three years.