Agrippa I, also known as Herod Agrippa or simply Herod (10 BCE – 44 CE), is a King of the Jews during the 1st century CE.

The grandson of Herod the Great and son of Aristobulus IV and Berenice, he was born Marcus Julius Agrippa, so named in honor of Roman statesman Marcus Vipsanius Agrippa.

He is the king named Herod in the Acts of the Apostles, in the Bible, "Herod (Agrippa)".

He is, according to Josephus, known in his time as "Agrippa the Great".

Agrippa's territory comprises most of Israel, including Iudaea, Galilee, Batanaea and Perea.

From Galilee his territory extends east to Trachonitis.