Meenakshisundaram Ramasamy Krishnamurthy, better known as Kishmu, was an Indian film and stage actor.
Kishmu made his debut in the Visu-directed film Manal Kayiru in 1982.
Other notable film appearances include Dowry Kalyanam, Chidambara Rahasiyam, Samsaram Adhu Minsaaram, Thirumathi Oru Vegumathi, Vedikkai En Vadikkai, Nanayam Illatha Nanayam, Kavalan Avan Kovalan, and Varavu Nalla Uravu.
Kishmu made his acting debut in the second film directed by Visu, Manal Kayiru (1982), which received critical and commercial acclaim.
In 1985, Kishmu acted in Aval Sumangalithan, and in 1986 played the role of protagonist in Samsaram Adhu Minsaram and Oomai Vizhigal, which both received positive reviews.