James Robinson Fallis (December 12, 1871 – May 11, 1935) was an Ontario livestock dealer and political figure. He represented Peel in the Legislative Assembly of Ontario as a Conservative member from 1913 to 1916.He was born in Brampton, Ontario, the son of James Fallis, and educated there. In 1899, he married Sarah Jane Lawson. He was elected in an 1913 by-election held after Samuel Charters resigned his seat in the provincial assembly. He died May 11, 1935.