Gamaliel the Elder (/ɡəˈmeɪliəl, -ˈmɑː-, ˌɡæməˈliːəl/; also spelled Gamliel; Hebrew: רבן גמליאל הזקן; Greek: Γαμαλιὴλ ὁ Πρεσβύτερος) or Rabban Gamaliel I, was a leading authority in the Sanhedrin in the early 1st century AD. He was the son of Simeon ben Hillel, and grandson of the great Jewish teacher Hillel the Elder. Gamaliel is thought to have died in 52 AC (AM 3813). He fathered a son, whom he called Simeon, after his father, and a daughter, who married a priest named Simon ben Nathanael.
In the Christian tradition, Gamaliel is recognized as a Pharisee doctor of Jewish Law. The Acts of the Apostles chapter 5 speaks of Gamaliel as a man, held in great esteem by all Jews, who spoke to not condemn the apostles of Jesus in to death, and as the Jewish law teacher of Paul the Apostle in .
Gamaliel is a Hebrew name meaning reward of God.