Toanui Isamaela is a Cook Islands politician and member of the Cook Islands Parliament. He is a member of the One Cook Islands Movement. Isamaela was first elected to Parliament at the 2010 Cook Islands general election. He was re-elected at the 2014 election. He was not re-elected in 2018, losing the seat to Democrat Terepai Maoate Jnr. He contested the 2022 Cook Islands general election as a One Cook Islands Movement candidate, and was re-elected.