Kirttivarman I (IAST: Kīrtti-varman; r. c. 566-592) was a ruler of the Chalukya dynasty of Vatapi (present-day Badami) in India. He ruled parts of present-day Karnataka, Goa, Maharashtra and Andhra Pradesh. Kirttivarman was the son of his predecessor Pulakeshin I, the first sovereign ruler of the dynasty. He expanded the Chalukya kingdom by defeating the Nalas, the Mauryas of Konkana, the Kadambas, the Alupas, and the Gangas of Talakad.