Malaita is the primary island of Malaita Province in Solomon Islands. Malaita is the most populous island of the Solomon Islands, with a population of 161,832 as of 2021, or more than a third of the entire national population. It is also the second largest island in the country by area, after Guadalcanal.

Malaita Province is the most populous and one of the largest of the nine provinces of Solomon Islands. The population of the province is 122,620 (1999). The area of the province is 4,225 km2 (1,631 sq mi).