Yeon Gaesomun (연개소문; 淵蓋蘇文) is a 2006 South Korean historical television series, starring Lee Tae-gon in title role.

It also featured Hwang In-young, Lee Jung-gil and Son Tae-young.

Directed by Lee Jong Han, the series follows the life of Yeon Gaesomun, a powerful military dictator in the waning days of the Goguryeo kingdom.

[2] The budget of the series was 40 billion South Korean won.

Then he started repressing Buddhism, the official religion of Goguryeo in favour of Taoism.