B. Kalyanasundaram (born 12 August 1947) is an Indian former first-class cricketer who represented Tamil Nadu and Kerala. He later worked as a selector for Tamil Nadu Cricket Association and the director of Chennai Super Kings Ltd.

Kalyanasundaram was born on 12 August 1947 in Kumbakonam, Thanjavur district. A right-arm medium pace bowler, he began his career with Kerala in the 1966/67 season. He took a ten-wicket haul in his third first-class match, with figures of 4/49 and 6/58 against Hyderabad.^[2] He switched to his home state team Tamil Nadu two seasons later and represented it for ten years. He was part of the Tamil Nadu team that finished runners-up in the 1972–73 Ranji Trophy. He took a hat-trick in the final against Bombay, becoming the first bowler to take a hat-trick in a Ranji final. He appeared in a total of 51 first-class matches and took 147 wickets at an average of 20.^[3]

Kalyanasundaram became a selector for Tamil Nadu Cricket Association after his playing career. He worked as the chairman of the under-17 and under-19 selection panel, before becoming the chairman of selectors of the senior team in 2009. He was replaced at the position in 2014 by Sridharan Sharath.^[4] In 2015, he was appointed as the director of the Chennai Super Kings Ltd.^[5] Between 2009 and 2013, he had also worked as a match referee in domestic cricket matches.^[6]

• B. Kalyanasundaram at ESPNcricinfo
• B. Kalyanasundaram at CricketArchive (subscription required)