Thrikkadavoor is a town and a neighbourhood of Kollam city in the state of Kerala, India, approximately 5 kilometres north of Kollam city centre. Thrikkadavoor was a separate panchayath till 2015. In May 2015, Government of Kerala expanded the City Corporation of Kollam by merging Thrikkadavoor panchayath.
India census, Thrikkadavoor had a population of 39285 with 19005 males and 20280 females.