Pana Tinani (aka Joannett Island), is an island in the Louisiade Archipelago in Milne Bay Province, Papua New Guinea.
The island has an area of , making it the sixth largest island of the Louisiade Archipelago. The island is hilly, rising to at Mt. Guyuba. The island is north of Vanatinai, and separated from it with the Bulami Channel. It is also east of Nigao, the easternmost island in the Calvados Chain. separated with the Magamaga Channel.
The island was discovered in the late 18th century, named after the wife of the explorer Joannett.
At the census of population in 2014, the island had 740 inhabitants, spread across 11 villages. The main town is Bwailahina (formerly Hebwaun) on the southeast coast. The island's population is administered by 2 wards : Nimoa Ward, Wanim Ward.