John Oliver Probe (24 December 1900 – 29 September 1964) was a Co-operative Commonwealth Federation member of the House of Commons of Canada.

He was born in Weyburn, Saskatchewan, and became a teacher by career.

Probe served in the military for World War II at various postings.

He attended the University of Saskatchewan and received a Bachelor of Arts, Collegiate Certificate in Education, Math Specialist.

Probe was defeated in the 1949 election by Emmett McCusker of the Liberal Party.