The name Aleph is a boy's name of Hebrew origin meaning "chief, number one". Aleph and is often added to lists like Celebrity Baby Names and discussed in our forums with posts like "Quick Question Thread?!".
From the experts:
Aleph came into the spotlight when chosen by Israel-born Natalie Portman for her son. Alef is a more common spelling of these related Hebrew baby names.
In the Kabbalah, Aleph/Alef relates to the origin of the universe. The letter Aleph is also the subject of a midrash, a Jewish folktale, which praises its humility in not demanding to start the Bible. (In Hebrew, the Bible begins with the second letter of the alphabet, Bet.) As a reward, Aleph is allowed to start the Ten Commandments.