Also named after Johannes Kepler:

Kepler's laws of planetary motion, a set of calculations for the orbits of planets

The Kepler Track, a hiking trail in New Zealand

Kepler (software), a web application framework

Kepler (band), a defunct Canadian indie rock band

Kepler (lunar crater), a crater on the Moon

The Kepler polyhedra, a set of geometrical constructions, two of which were described by him

Kepler's Star, Supernova 1604, which he observed and described

1134 Kepler, an asteroid

Kepler Mission, a NASA mission to launch a solar-orbiting, planet-hunting telescope in 2009

The Kepler Project, a website development platform written in Lua

Kepler (crater on Mars), a crater on Mars