Llywelyn Breese was a politician from the U.S. state of Wisconsin.
He was born May 13, 1833, in Mallwyd, Merionethshire, Wales.
He was a Republican who served under governors Lucius Fairchild and Cadwallader C. Washburn.
He resided in Portage, Wisconsin, at the time of his election.
This article about a Wisconsin politician is a stub.