Purina

Purina may refer to:


 * Ralston Purina, an American pet food company that was acquired in 2001
 * Nestlé Purina PetCare, the pet food division of Swiss-based Nestlé S.A., and the acquirer of Ralston Purina Company in 2001 (subsequently merged with Nestlé's Friskies PetCare Company)
 * Purina Mills, a farm animal feed company that was spun off from Ralston Purina Company