Jonah Lomu, who represented New Zealand 63 times and became the most recognisable figure in world rugby, has died aged 40 in Auckland.
Tonga's Sports Minister Fe'ao Vakata says he brought great pride to the islands.
"Even people here in Tonga have named their children after Jonah Lomu and everybody has been saying they are related to Jonah Lomu. That's how much we are proud and appreciated what he had given Tonga and New Zealand and world rugby," he said
Vakata will bring up how to mark Lomu's death at Friday's cabinet meeting.