The name Kepler is a boy's name . Kepler and is often added to lists like Space Baby Names.
From the experts:
Seventeenth-century German polymath Johannes Kepler discovered the laws of planetary notion, along with the Danish astronomer Tycho Brahe. A handful of parents use his last name for their sons every year -- with good reason. It's a solid-feeling but Unique-Baby-Names">unique name with a great, aspirational namesake.