Ahillya Harjani (born 6 March 1997 in Mumbai, Maharashtra) is an Indian badminton player.

At the State mixed doubles, triumphant, she got the opportunity to represent her state at the 37th Junior Nationals in Chandigarh November 2013 where she won a bronze medal in the mixed doubles.

In the year 2015, she won gold medals in all the All India Ranking Tournaments in the mixed doubles .

She also won a gold medal at the 40th Junior Nationals in Jaipur, India in the mixed doubles.

Harjani ended the year 2015 as the No.1 junior ranked in mixed doubles in India.