Sanjay /san-jay/ [2 sylls.] as a boys' name is of Hindi and Sanskrit origin, and the meaning of Sanjay is conquering, triumphant.Kreatif forms: Saljay, Sannjay, Stanjay.anjay /san-jay/ [2 sylls.] as a boys' name is of Hindi and Sanskrit origin, and the meaning of Sanjay is conquering, triumphant. Kreatif forms: Saljay, Sannjay, Stanjay.