Thomas Fulton Bourdillon (1 May 1849, Madras – 19 December 1930, Bexhill-on-Sea) was a British-Indian botanist, who worked as a Conservator of Forests in the princely state of Travancore. He came to Travancore (at present Southern Kerala) as a planter in 1871 and was appointed by the Travancore Durbar in 1886 as a special forest officer to explore the forests and to report on their resources. In 1891 he was appointed as Conservator of Forests, a position he retained till his retirement in June 1908. He was a keen botanist and an all-round forest officer. During his period, he brought the Department to a high state of efficiency.