Wellage Shashini Gimhani Wijayarathna (born 9 December 2008, known as Shashini Gimhani) is a Sri Lankan cricketer who plays for the Sri Lanka women's cricket team as a left-arm wrist spinner.

[2] Gimhani studied at Devapathiraja College in Rathgama, Galle.

[4][5] In April 2024, she earned her maiden call-up for Sri Lanka's national squad for the 2024 ICC Women's T20 World Cup Qualifier.

[8] She became the youngest player for Sri Lanka to represent the national team at the age of 15 years and 144 days.

[9] She was named in the Sri Lanka squad for the 2024 ICC Women's T20 World Cup.