Izobelle Louison-Roe (born 14 May 2007) is an Australian high jumper.

[1] In March 2023, she cleared 1.84 metres to finish second in the high jump at the Sydney Track Classic at the age of 15 years-old.

[2] She was a bronze medalist in the high jump at the 2023 Commonwealth Youth Games in Trinidad and Tobago.

[5] In August 2024, she won a silver medal at the 2024 World Athletics U20 Championships in Lima, Peru in the high jump with a personal best jump of 1.89 metres, finishing behind Angelina Topic but ahead of defending champion Karmen Bruus on countback.

[6][7] From New South Wales, she attended Kirrawee High School in Sydney.