Here is the list containing 462 names. When you see names of hostas on the same line but separated by a front slash ( / ), this means that these are look-alike:
List of Distinct Hostas
It is said that out the 3800 to 4000 now registered and NR hosta varieties, between 450 and 500 are DISTINCT ONES.

HERE IS "A LIST" (not "THE" LIST) of 462 names:
* Aarkward
* Abba Dabba Do
* Abiqua Drinking Gourd / Love Pat / Golden Teacup
* Abiqua Hallucination
Abiqua Moonbeam / Mayan Moon
Academy Flora
Alex Summers
Allegan Fog
Alligator Shoes
Alvatine Taylor / Tokudama Flavo-circinalis
American Sweethearts
Antioch / Moerheim
Apple Court
Aristocrat
Aspen Gold
August Beauty
August Moon
Austin Dickinson
Baby Bunting
Banana Boat
Banana Muffins
Band Of Gold
Barbara Ann
Behemoth
Betty Hammond
Big Daddy
Big Daddy Streak
Big Mama
Bill Brincka
Bill Meyer
Birchwood Parky's Gold
Bizarre
Black Banner
Black Hills
Blizzard
Blue Angel
Blue Arrow
Blue Betty Lou
Blue Blazes
Blue Cadet (small)/Hadspen Blue (medium)
Blue Cups / I'm So Blue
Blue Dimples
Blue Hawaii
Blue Jay
Blue Mammoth
Blue Moon
Blue Mouse Ear
Blue Shadows
Blue Umbrellas
Blue Velvet
Blue Vision
Blue Wedgwood / Blue Dimples
Bob Olson
Bold Ruffles
Border Bandit
Bottom Line
Break Dance
Brenda's Beauty
Bressingham Blue
Bridegroom
Bright Lights / Blue Shadows / Tokudama Aureonebulosa
Brim Cup
Bud is Wiser
Camelot / Curlew
Canadian Blue
Canadian Shield
Candy Hearts
Candydish
Captain Kirk
Carnival
Caroline Blue
Cat's Eyes
Center of Attention
Chartreuse Wedge
Chartreuse Wiggles
Cherry Berry
Chinese Sunrise
Choo Choo Train
Christmas Tree / Grand Master
Cinnamon Sticks
Citation
City Lights
Collector's Banner
Color Glory /Super Nova / Borwick Beauty
Color Parade
Colossal /Big John /Big Foot
Cool Hand Luke
Cracker Crumbs
Crepe Soul
Crepe Suzette
Curls
Cutting Edge
Dark Star
Darwin's Standard
Daybreak (true 'gold' color)
Deep Blue Sea
Delta Dawn
Devon Green / Peridot
Diana Remembered
Dick Ward / Midwest Magic
Doctor Hale
Don Quixote
Donahue's Piecrust
Dorothy Benedict
Dorset Blue
Double Dutch
Dragon Wings
Dream Weaver / Thunderbolt
Dust Devil
Eagles Nest
Early Sunrise
Ebb Tide
El Capitan
El Nino
Elata
Elatior
Elegans
Elizabeth Campbell
Elphin Fire
Elvis Lives
Elvis on Stage
Embroidery
Emerald Coast
Emerald Eyes
Emerald Necklace
Enchantment
Eola Sapphire
Eventide
Fair Maiden
Fan Dance
Fantabulus
Fascination
Fascinator
Fatal Attraction
Filagree
Fire and Ice/Loyalist/ Paul Revere
First Impressions
Flame Stitch
Flower Power
Formal Attire
fortunei Aureomarginata / Ellerbrook
Fragrant Blue
Fragrant Bouquet
Francee /Albo Marginata
Frances Williams /Aurora Borealis/Olive Bailey Langdon/Samurai
Fried Bananas
Fried Green Tomatoes
Fringe Benefit
Frosted Jade
Frosted Mini Muffins
Fujiboton,
Galaxy
Galaxy Light
Geisha
Gilt bby Association
Ginko Craig / Bunchoko
Ginsu Knife
Glory
Gold Drop / Gold Edger
Gold Regal
Gold Standard
Gold Teacup
Golden Canopy
Golden Cascades
Golden Crown
Golden Friendship
Golden Gate
Golden Maple
Golden Scepter
Golden Spades
Golden Sunburst
Golden Waffles
GoldenTiara/Amber Tiara/Heavenly Tiara
Golder Scepter
Grand Prize
Grand Slam
Grand Tiara
Gray Cole
Great American Expectations
Great Expectations
Grecian Vase
Green Acres / Mikado / King Michael
Green Eyes
Grey Ghost
Ground Sulphur
Guacamole
Guardian Angel / Angel Eyes
Gunsmoke
Gypsy Rose
Hacksaw
Hadspen Blue / Blue Cadet
Hadspen Samphire
Halycon
Heart and Soul
Heartsong
Helios
Hi Ho Silver
High Style
Hirao Magesty
Hirao Splendor
Holly's Velvet Piecrust
Honeybells
Hoosier Harmony
Hope
Hot Lips
Hubba Hubba
Hyacinthina
Ice Cream
Invincible
Iron Gate Delight
Island Charm
Jack of Diamonds
Jade Cascade / Green Fountain
Jade Scepter
Janet
Jewel of The Nile
Jimmy Crack Corn
Joshua's Banner
Joyce Trott
June
Just So
King Tut
Kiwi Blue Sunrise
Kiwi Full Monty
Knockout / Snowcap
Komodo Dragon
Korean Snow
Krossa Cream Edge
Krossa Regal
Lacey Belle
Lady Isobel Barnett
Lakeside Babyface
Lakeside Beach Captain
Lakeside Black Satin
Lakeside Blue Jeans
Lakeside Cha Cha
Lakeside Coal Miner
Lakeside Dividing Line
Lakeside Dixie
Lakeside Dragonfly
Lakeside Kaleidoscope
Lakeside Knick Knack
Lakeside Lollipop
Lakeside Looking Glass
Lakeside Masterpiece
Lakeside Meter Maid
Lakeside Mom
Lakeside Party Dress
Lakeside Pincushion
Lakeside Prissy Miss
Lakeside Roy El
Lakeside San Kao
Lakeside Shore Master
Lakeside Surfrider
Lancifolia
Laura and Darrell
Leather Sheen
Lemon Lime
Liberty
Little Ceasar
Little Doll
Little Sunspot
Love Pat /Abiqua Drinking Gourd /
Lovelight
Loyalist / Fire and Ice / Paul Revere
Lucy Vitols
Luner Orbit
Mack The Knife
Marion Bachman
Masquerade
Maui Buttercups
Medal of Honor
Midas Touch
Mildred Seaver
Millennium
Ming Jade
Miss Missy
Mississippi Delta
Mistress Mable
Montana Aureomarginata
Montana Macrophylla
Moon Wave
Moonlight Sonata
Mount Tom
Mountain Snow
Mr. Big
My Brother Ronald
Neat and Tidy
Niagara Falls / Green Piecrust
Nifty Fifty
Night Before Christmas
Northern Halo / Northern Exposure
Northern Lights
Obsession
Olive Branch
On Stage
On the Edge
One Man's Treasure
Ophir
Orange Marmalade
Pacific Blue Edger
Paintbrush
Pandora's Box
Paradigm
Paradise Joyce
Parthelion
Patriot / Minuteman / Francee
Paul's Glory
Peace
Pearl Lake
Peedee Laughing River
Peepshow
Permanent Wave
Peter's Passion
Piedmont Gold / Richland Gold
Pineapple Poll
Pineapple Upsidedown Cake
Pizzazz
Plantageniea
Plantageniea Aphrodite
Plum Bob
Polar Moon
Popo
Potomac Pride
Prairie Magic
Praying Hands
Princess Anastasia
Principal's List
Queen Josephine
Queen Of Islip
Quilting Bee
Radio Waves
Rainforest Sunrise
Rapsberry Sorbet
Reasonance / Ground Master
Red Dragon
Red Neck Heaven
Red October
Regal Rumor
Regal Splendor / Border Patrol
Remember Me
Reptillian
Revolution
Rick Rack
Riptide
Risky Business
Robert's Rapier
Rosedale Spoons
Roseville Tractor Seat
Rossing's Pride
Royal Accolade
Royal Flush
Royal Standard
Royalty
Rupifragia
Rusty Bee
Ryan's Big One
Sagae
Saint Elmo's Fire
Salute
Satisfaction / Tyler's Treasure
Savannah Supreme
Sea Biscuit
Sea Blue Monster
Sea Dream
Sea Frolic
Sea Gulf Stream
Sea Lotus
Sea Monster
Sea Thunder
Sea Wiggles
September Sun / Inniswood
Seventh Heaven
Shade Fanfare
Shady Lady
Sharmon
Sheila Macqueen
Sheila West
Shogun
Showboat
Silver Bowl
Silver Kabitan
Silver Streak
Sitting Pretty
Snow Flakes
Snowcap
So Sweet
Soaring Flame
Sparky
Spilt Milk
Spinach Patch
Spring Fling
Spritzer
Squash Casserole
Stained Glass
Stepping Out
Stetson
Stiletto
Stirfry
Stolen Kiss
Striptease
Sugar and Cream
Sugar Daddy
Sum and Substance
Sum It Up / Lady Isobel Barnett
Sum Of All
Sum Total
Summer Breeze
Summer Joy
Summer Music
Sun Power
Super Nova / Color Glory / Borwick Beauty
Surprise By Joy
Sweet Home Chicago
Swoosh
T Rex
Tardiflora
Tattoo
T-Dawg
Tea and Crumpets
Thumberlina
Tiffany's Godzilla
Tijuana Brass
Tiny Tears
Titanic
Tokudama Aureonebulosa
Tony Avent
Topaz
Torchlight
Tortifrons
True Blue
Turtle Dove
Twilight
Twist of Lime
Twisted Sister
Unchained Melody
Undulata Univitatta
Unforgettable
Valentine Lace
Ventricosa (a species that won't be appreciated till it gets to maturity)
Victory
Vim and Vigor
Warwick Comet
Warwick Delight
Wheaton Blue
Whirling Dervish
Whirlwind
Whirrling Dervish
White Christmas
White Triumphator
White Wall Tire
Wide Brim
Wiggle Worms
Wild Bill
Windfield Blue
Winter Lightning
Wolverine
Xanadu Snow
Yellow Emperor
Yellow River
Yingeri
Zounds

Note: This list is not meant to be perfect.
Oher names could possibly be added.
compiled by PAPOU
Last revision: March 24, 2004