Raja Krishnamoorthy, popularly known as Kitty is an Indian director, screenwriter and actor, primarily working in the Tamil film industry. Notable also for his work in Telugu, Malayalam, and Hindi cinema, he directed the film Dasarathan (1993). He made his acting debut in Mani Ratnam's Nayakan, released in 1987.

He was born and brought up in Bombay (now Mumbai). He worked as Union General Secretary while studying college, his principal recommended him to pursue management course. He subsequently studied on Bajaj institute and become an HR.^[1] He then shifted to Chennai and worked as manager at Chola Hotel and was therefore known as "Chola" Krishnamurthy.^[2] He wrote short stories for Saavi magazine through which he gained friendship with Kamal Haasan and Mani Ratnam. He briefly worked as General Manager at Enfield which he quit to pursue acting as a career.^[3] Ratnam recommended Kitty to join as assistant director for Nayakan (1987) while also playing a small role in it. He played negative roles in Soora Samharam and Sathya both starring Haasan.^[1]

He has done his Masters in Management Studies from Jamnalal Bajaj Institute of Management Studies, Mumbai, 1975. He started with Mukund Iron & Steel as Management Trainee and Personnel Officer; he was with ITC Welcome Group as Personnel Manager and Regional Personnel Manager, and subsequently, with Enfield India Limited as General Manager (Human Resources). Between June 2000 and March 2002, he worked actively with Polaris Software Lab Ltd., an organization of 2600 people, as consultant and President of Human Resources. From July 2002 till August 2005, he was leading the Consulting and training Division, as Principal Consultant - at ProLease India Pvt. Ltd., part of the Washington DC based Interpro Group.^{[citation needed]} Currently, he heads the Consulting and Training Division and directs the HRD function at talent Maximus.^[4]

Apart from acting, he is the director HRD of Talent Maximus India Ltd.^[5][6][7] He wrote a book called Rajini Punchtantra: Business and Life management.^[8] He has contested in 2016 Tamil Nadu Legislative Assembly election in Velachery constituency as an Independent candidate and lost the election.^[9]