Timothy Wanyonyi Wetangula is a Kenyan lawyer and politician serving as a member of parliament representing Westlands Constituency.

He is a half-brother to Moses Wetangula, the Speaker of the National Assembly of Kenya and former senator for Bungoma County.

Wanyonyi, the seventh-born in his family, was brought up in Mukhweya village, Nalondo, Bungoma County.

They were brought up in abject poverty, a matter that forced Wanyonyi to repeat classes severally as he sacrificed for his other siblings to also achieve education.

Timothy Wetangula is married to Electina Naswa and they are blessed with three children, a son and twin girls Paulyne and Sophia.