Pzena Investment Management is an American investment management firm. Its expertise is in deep value investing. It oversees assets under management for institutions, high-net-worth individuals and mutual funds. The company is headquartered in New York City and has offices in London, Melbourne and Dublin.

The firm focuses exclusively on companies that are underperforming their historically demonstrated earnings power, conducting fundamental, bottom-up research to determine whether the issues causing the earnings shortfall are temporary or permanent.