Ayu Fani Damayanti (born 29 November 1988) is a former Indonesian tennis player.

Damayanti was part of Indonesia Fed Cup team several times between 2005 and 2015.

She was part of Indonesia's successful World Group II play-off against Puerto Rico in 2005.

She and her partner Wynne Prakusya defeated the Puerto Rican pair in straight sets.

In 2008, Damayanti reached the final of the women's singles at the inaugural Garuda Indonesia Tennis Masters.