Grace Adhiambo Okulu (born 16 March 1998) is a Kenyan rugby union and sevens player.

[2] She also played a crucial role in her team's qualification for the 2020 Summer Olympics in Tokyo as she was a dependable try-scorer during their qualifiers in Tunisia.

[2] In 2021, Okulu made her fifteens debut in the Lionesses 2021 Rugby World Cup qualifying match against Colombia in Nairobi.

[5] Okulu signed with the Japanese, Kitakyushu-based, club Nagato Blue Angels on a six-month contract in the beginning of 2023.

[6][7] She was named in Kenya's fifteens squad on 3 October 2023 for the inaugural WXV 3 tournament that will be held in Dubai.