Astronomy Pet Names - Cosmic Names from the Stars

Stellar pet names inspired by stars, planets, and celestial objects. Give your pet a name that's out of this world.

Sort by:

Nova

Meaning: New; a star that suddenly increases in brightness

For a fast, bright pet who carries enormous energy and has a complicated relationship with a helmet.

Altair

Meaning: The flying eagle (brightest star in Aquila)

A sharp name for a fast, agile pet with a tendency toward dramatic entrances.

Comet

For a pet who enters every room at speed, trailing chaos, and is gone before you've recovered.

Aldebaran

For a large, amber-eyed pet with an unhurried presence and an air of quiet importance.

Aquila

For a large, watchful pet who surveys everything from the highest available surface.

Antares

For a red-coated, dramatic pet who burns brightly and runs slightly hotter than the room requires.

Betelgeuse

For a large, reddish pet whose size and impending doom are both difficult to ignore.

Neptune

Meaning: God of the sea

For a deep-blue, elusive pet who operates at a distance and is difficult to fully observe.

Capella

Suits a small, bright pet who is actually two personalities, depending entirely on the day.

Cosmos

For a vast, calm pet who contains multitudes and is somehow fine with all of it.

Eclipse

For a dark pet who steps in front of something larger and briefly becomes the only thing visible.

Mars

Meaning: God of war; red planet

For a red-tinged, combative pet who is always ready for conflict and slightly dusty.

Cygnus

For a long-necked, elegant pet who glides through the house and expects to be admired.

Europa

For an icy, smooth-surfaced pet who may contain depths no one has yet reached.

Pegasus

Meaning: Winged divine horse of Greek mythology

For a large, white, majestic pet who is loyal and mildly impossible to control.

Io

A small name for a small, volcanic pet who is always active, always venting, and never quite at rest.

Lyra

For a delicate, musical pet who communicates in tones and is sensitive to everything around them.

Rigel

A cool, blue-white name for a sleek pet who is brighter than most and knows it.

Spica

For a quick, precise pet who is technically a binary star and possibly two distinct personalities.

Stellar

For a pet who is, by their own assessment, absolutely exceptional in every measurable way.

Found the perfect name?

Just upload vet recordsβ€”Petto Intelligence does the data entry. Track behavior patterns and get personalized wellness insights. Works for all pets.

Behavior tracking β€’ Medical reminders β€’ Household access

14-day free trial. No credit card required.

Start Free Trial

Your Shortlist (0)

Empty shortlist

Save your favorite names here. Click any name card to add it.