Luca Bati (c. 1546 – 17 October 1608) was an Italian Baroque composer and music teacher. One of his pupils was Marco da Gagliano.
Bati was born and died in Florence. He was maestro di cappella of Pisa Cathedral (1596) and then of the Medici Court and Florence Cathedral (from 1598 to 1599). His dramatic music for Medici weddings and Florentine carnivals is lost but his surviving madrigals (1594, 1598) and sacred works are of high quality though not notably progressive.