Sir John Fowke Lancelot Rolleston DL JP (26 March 1848 – 9 April 1919) was a British Conservative Party politician.^[1]

Rolleston was the eldest son of Rev. William Lancelot Rolleston, vicar of Great Dalby and Scraptoft, and his wife, Mary Sophia Fowke, daughter of Sir Frederick Gustavus Fowke, 1st Baronet.^[2]

He was educated at Repton School and King's College London. He was the leader of the Conservatives in Leicester. Following two defeats at the polls, he was elected as a Member of Parliament for Leicester in 1900; the seat then having two MPs. He sat until 1906 when he was again defeated by the Liberal-Labour coalition. At the January 1910 general election, he became the Conservative Member of Parliament for Hertford and held the seat until 1916. He was knighted in 1897.^[1]

Rolleston was also a prominent freemason. After several years of declining health, he died at his home in Glen Parva, Leicestershire, at the age of 71.^[1]