Karuna Vijaykumar Jain (born 9 September 1985) is an Indian former cricketer who played as a wicket-keeper and right-handed batter. She appeared in five Test matches, 44 One Day Internationals and nine Twenty20 Internationals for India between 2004 and 2014. She scored one century and nine fifties in ODIs. She played domestic cricket for Karnataka, Air India, Nagaland and Puducherry. She retired from cricket in July 2022.