Galilei is a surname, and may refer to:

• Galileo Galilei (1564–1642), astronomer, philosopher, and physicist.
• Vincenzo Galilei (1520–1591), composer, lutenist, and music theorist; father of Galileo
• Michelagnolo Galilei (1575–1631), Baroque lutenist and composer, brother of Galileo
• Alessandro Galilei (1691–1736), Florentine mathematician and architect

Two craters have been named for Galileo Galilei, with a different spelling:

• Galilaei (lunar crater), on the Moon
• Galilaei (Martian crater), on Mars

• Galilei number
• Galilei Donna
• Galilei ja kadonneet lelut
• Galilean § Other meanings

This page lists people with the surname Galilei.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.