Ajith Kumar (Tamil: அஜித் குமார்) (born May 1, 1971) is an Indian film actor and auto racer, who has appeared in Tamil, as well as Telugu and Hindi movies. Ajith made his acting debut in his only Telugu-language film-to-date, Prema Pustagam in 1992, which was followed by a Tamil film Amaravathi in which he played his first lead role. Ajith delivered his first major hit in Aasai, in 1995. The following year he starred in another success, Kadhal Kottai. It was followed by a slump of two years with limited successes, some of which include Ullasam and Kadhal Mannan. Ajith received his first Filmfare Best Actor Award in Tamil for his dual role in Vaali (1999). He was noted for his romantic roles in melodramas like Mugavari and Kandukondain Kandukondain though his focus later turned to action films after the success of Amarkalam and Dheena.

He won two consecutive Filmfare Best Actor Awards in Tamil — for his multiple roles in the film Citizen and for his dual roles in Villain. In addition to being an actor, Ajith also participated in 2003 Formula Asia BMW Championships He is also an active ambassador for the Green Revolution.