Filippo Gagliardi (died 1659) was an Italian painter of the Baroque period, active mainly in Rome. He collaborated with Filippo Lauri and Andrea Sacchi. He also helped in the renovation of San Martino ai Monti (1647–54). He contributed illustrated architectural perspectives to Ferrari's Hesperides (1646) and became principe of the Accademia di San Luca (1656–57). He also appears to confused with Giovanni Francesco Gagliardi.