Anna Flyover, also known as Gemini Flyover, is a dual-armed grade separator in the central business district of Chennai, India. Built in 1973, it is the first flyover in Chennai and the third in India. It was the longest flyover in the country at its completion. It allows traffic movements on Anna Salai to cross traffic with grade separation. The area and the flyover is named after the now-demolished Gemini Studios.

Anna Salai, formerly known as St. Thomas Mount Road or simply Mount Road, is an arterial road in Chennai, India. It starts at the Cooum Creek, south of Fort St George, leading in a south-westerly direction towards St. Thomas Mount, and ends at the Kathipara Junction in Guindy. Beyond the Kathipara Junction, a branch road arises traversing westwards to Poonamallee to form the Mount-Poonamallee Road while the main branch continuing southwards to Chennai Airport, Tambaram and beyond to form Grand Southern Trunk Road. Anna Salai, which is more than 400 years old, is acknowledged as the most important road in Chennai city. The head offices of many commercial enterprises and public buildings are located along Anna Salai. It is the second longest road in Chennai, after EVR Periyar Salai.