The Bogo-Indian Defence is a chess opening characterised by the moves: The position after 1.d4 Nf6 2.c4 e6 is common.

Databases suggest that the Bogo-Indian is played approximately half as often as the Queen's Indian.

The Bogo-Indian Defence is named after the Russian-born German master Efim Bogoljubow who is believed to have originated the opening and played it regularly in the 1920s.

Subsequent prominent players to have adopted the Bogo-Indian include Aron Nimzowitsch, Paul Keres, Tigran Petrosian, Bent Larsen, Vasily Smyslov, Viktor Korchnoi, Ulf Andersson, Michael Adams and Nikita Vitiugov.

4.Bd2 is the most common line; the bishop on b4 is now threatened and Black must decide how to meet this threat.