Peter Brennan (Newfoundland politician)

Peter Brennan (1786 – August 13, 1887) was an Irish-born political figure in Newfoundland. He represented St. John's West in the Newfoundland Assembly from 1866 to 1873.

He was born in County Kilkenny and came to St. John's in 1819, where he worked for a time as a bonesetter. He was first elected to the assembly in an 1866 by-election. Brennan died in St. John's in 1887.