The twins been named Thunder Bolt and Saint Leo Bolt. The couple are parents to three children.
Bolt revealed the news on social media with a Father's Day family photo, showing a lightning bolt emoji next to each of his children's names in the caption.
Bennett also posted a picture of the couple posing with the twins and daughter Olympia Lightning Bolt captioned: "Happy Father's Day to my forever love! @usainbolt. You are the rock of this family and the greatest daddy to our little ones. We love you world without end!"
Olympia Lightning was born in May 2020 but the name was only announced two months later.
The names takes internet by storm and netizens are quite amazed. Bolt holds the world records for 100 metres and 200 metres. He is the only sprinter to win the 100m and 200m double at three consecutive Olympics.