Aiga-i-le-Tai is a district of Samoa which includes the small islands of Manono, Apolima and tiny uninhabited Nu'ulopa lying in the Apolima Strait between the country's two main islands of Upolu and Savai'i.
Historically, Manono island has been the centre of the district. In modern times, the main centre is Mulifanua where the inter-island ferry terminal is located for ocean crossings between Savai'i and Upolu.
With an area of only 27 km², Aiga-i-le-Tai is the smallest electoral district in the country with a population (2001 Census) of 4,508. Va'a-o-Fonoti is the only electoral district with a smaller population.