Saathi (transl. Partner) is a 1968 Indian Hindi-language romance film written and directed by C. V. Sridhar. The film stars Rajendra Kumar and Vyjayanthimala, with Simi Garewal, Pahari Sanyal, David Abraham Cheulkar, Veena and Ram Mohan as the ensemble cast while prominent actors such as Shashi Kapoor, Nanda, Sanjeev Kumar, Shabnam, D.K. Sapru and Pratima Devi made guest appearances. The film was produced by S. Krishnamurthy and T. Govindarajan of Venus Pictures. The film's score was composed by Naushad with lyrics provided by Majrooh Sultanpuri. It was edited by N. M. Shankar and filmed by Marcus Bartley.

Saathi is a triangular love story among Ravi, Shanti and Rajni. The film was a remake of the 1961 Tamil film Palum Pazhamum, which was directed by A. Bhimsingh.