Space, Witchy & Spooky Names for Gray Cats

Halloween may be over, but a gray cat is spooky all year round. They appear silently in doorways, stare at empty corners and vanish into the shadows at the exact moment you need them in the carrier.

Honestly, the witch's familiar was never meant to be a black cat. It was clearly a gray one.

So here are my favorite space names for gray cats, plus witchy and spooky ones, grouped by theme. Some are mysterious, some are just plain fun, and a few are for the cat who is very obviously from another planet.

My Top 5 Space and Witchy Names for Gray Cats

Short on time? These are the five I'd pick:

1. Moondust: soft, silvery and a little bit magical
2. Hex: short, sharp and perfect for a cat who curses your shoelaces
3. Gargoyle: for a gray cat who sits very, very still on high places
4. Cosmo: friendly and easy to call, with a hint of outer space
5. Sage: a gray-green witch's herb and a lovely name for a calm cat

Moondust is my favorite. Every gray cat I've met has looked like they rolled in it.

Space Names for Gray Cats

A lot of space is gray. The Moon is covered in what NASA calls "charcoal-gray, powdery dust" (the lunar regolith), and many moons and asteroids are the same soft, dusty shade as your cat. That makes them some of the best space names for gray cats.

Name	What it is	Why it suits a gray cat
Mercury	The smallest planet	Its surface is grayish-brown
Ceres	Dwarf planet	Dark gray and quietly mysterious
Callisto	A moon of Jupiter	Dark, cratered and ancient
Phobos	A moon of Mars	Small, gray and lumpy (no offense, cat)
Charon	Pluto's largest moon	Gray, and named after the ferryman of myth
Vesta	A large asteroid	Rocky, gray and named after a goddess of the home
Regolith	Moon dust	The nerdiest gray name there is
Meteorite	Space rock	Dark and metallic, and lands with a thud

If you love planets and constellations, our big list of gray cat names also has a space and mythology section with Pluto, Saturn, Orion and friends.

Moon Names for Gray Cats

The Moon is the most famous gray thing in the sky, so it deserves its own list:

• Moondust: silver, soft, a little sparkly
• Crescent: for a cat who sleeps curled in a perfect C
• Gibbous: the almost-full moon, for a round and well-fed cat
• Tranquility: from the Sea of Tranquility, where Apollo 11 landed
• Tycho: one of the brightest craters on the Moon
• Crater: for the cat who leaves a dent in every cushion

Fun Space Names

• Cosmo and Astro: classic, cheerful and easy to shout
• Orbit: for the cat who circles your legs at dinnertime
• Comet: for a gray streak that flies past at 3 a.m.
• Stardust: a sweet name for a sparkly silver kitten
• Nebula: a soft, cloudy name for a fluffy cat

Witchy Names for Gray Cats

Every witch needs a familiar, and a gray cat brings exactly the right air of quiet mystery. These witchy names for gray cats come in three flavors: spells, herbs and crystals.

Spells and Witchcraft

• Hex: short, sassy and a little bit cursed
• Spell: for a cat who has you completely under one
• Potion: for the cat who knocks things into your drink
• Cauldron: great for a round, cozy cat
• Familiar: the witch's animal helper
• Coven: for a cat who runs a household of several pets
• Broomstick: for the one who rides the vacuum cleaner
• Charm: sweet and easy to say

Silvery Witch's Herbs

Many of the classic herbs in a witch's garden have soft, gray-green or silvery leaves, which makes them perfect for gray cats.

Name	Plant	Color
Sage	Garden sage	Gray-green
Wormwood	Silvery herb	Silver-gray
Mugwort	Folk herb	Leaves silvery underneath
Rosemary	Kitchen herb	Gray-green
Dusty Miller	Garden plant	Soft, felted silver

A quick word from the vet in me: these are names, not cat treats. Some garden herbs and plants aren't safe for cats, so check the ASPCA's toxic and non-toxic plant list before you grow anything your cat might nibble.

Crystal Names

• Moonstone: pale, glowing and gentle
• Hematite: a shiny, metallic gray stone
• Smoky Quartz or just Smoky: for a smoke-gray cat
• Labradorite: gray with a hidden flash of color, like a cat in the sun
• Flint: hard, gray and sparky

Spooky and Halloween Names for Gray Cats

Gray is the color of ghosts, fog and old stone, so spooky names suit these cats beautifully. They're fun at Halloween and they still work in the middle of July.

• Ghost or Boo: for the cat who appears out of nowhere
• Specter: a more elegant ghost
• Banshee: for the cat who screams at the food bowl
• Gargoyle: gray stone, high perches, judgmental stare
• Cobweb: soft, gray and found in every corner
• Tombstone: gray, solid and a bit dramatic
• Poltergeist: for the one who knocks things off shelves
• Wisp: from the will-o'-the-wisp, a ghostly light in the fog
• Moth: silent, gray and drawn to every lamp

Banshee has to go to the cat who yells for breakfast at 5 a.m. Every gray cat owner knows the one.

Mystical Names for Gray Cats

For a cat who seems to know things you don't, these mystical names have a calmer, wiser feel:

• Oracle: for the cat who stares at you like they've seen your future
• Omen: short, dark and memorable
• Rune: an old magical letter
• Tarot: for a cat who loves to sit on cards and papers
• Seer: for the one who watches the window all day
• Mystic: classic, soft and pretty

Want a name from real myths and legends? Our gray cat names with meanings include Norse, Greek and Celtic gods and goddesses.

Tips for Choosing a Witchy or Space Name

The best name is fun to say and easy for your cat to learn. A few practical tips:

1. Pick a short call name. Labradorite is gorgeous, but "Lab" or "Dori" is what you'll actually shout.
2. Say it at the vet. "Poltergeist" will be read out in a full waiting room. Make sure you're ready.
3. Match the personality. Calm cats suit Sage or Moonstone; chaotic ones suit Hex, Comet or Poltergeist.
4. Make it official. A personalized breakaway collar with the name engraved helps your little familiar find their way home.

Like a theme? Try our warrior cat names for gray cats or these Japanese names for gray cats, from Kumo (cloud) to Kemuri (smoke).

FAQ: Space and Witchy Names for Gray Cats

What is a good witchy name for a gray cat?

Hex, Sage, Moonstone, Spell and Familiar are all great picks. Sage is my favorite, because the herb itself is a soft gray-green.

What are good space names for gray cats?

Moondust, Mercury, Ceres, Callisto, Cosmo and Comet all work well. Mercury and the Moon are both naturally grayish, so they fit a silver coat perfectly.

What is a spooky name for a gray cat?

Ghost, Gargoyle, Specter, Cobweb and Banshee are fun spooky names that still work after Halloween.

What is a mystical name for a gray cat?

Oracle, Rune, Omen, Seer and Mystic all have a calm, mysterious feel that suits a quiet gray cat.

Is Luna a good name for a gray cat?

Yes, it's one of the most popular. If you want something less common with the same moon feeling, try Moondust, Crescent or Tranquility.

Can I call my cat after a planet?

Absolutely. Mercury is a great choice for a gray cat, since its surface really is grayish-brown. Pluto and Saturn are popular too.

Whatever you choose, your gray familiar will wear it with total confidence, probably while staring at a spot on the wall that you very much hope is empty. For everything else about these mysterious silver cats, our complete guide to gray cats covers breeds, genetics and care.