Lawrence Peter Peterson (April 12, 1873 – September 7, 1951) was a provincial politician from Alberta, Canada.

He served as a member of the Legislative Assembly of Alberta from 1921 to 1930 sitting with the United Farmers caucus in government.

He stood as a United Farmers candidate in the electoral district of Taber and won a close race over incumbent Archibald McLean to pick up the seat for his party.

[2] Peterson ran for a second term in office in the 1926 Alberta general election.

He lost some of his popular vote from the last election but defeated two other candidates with a large majority.