This is a list of Kamen Rider forms that are depicted in concept art, but have yet to make an official appearance in any media.

Kamen Rider ZO

Kamen Rider Ryuki

Kamen Rider Decade

Kamen Rider OOO

  • Kamen Rider OOO
    • Takayadoba
    • Bikaso Combo
    • Shigazeshi Combo
    • Seishirogin Combo
    • Saramiuo Combo

Kamen Rider Gaim

Kamen Rider Build

  • Kamen Rider Build
    • GoldScorpion Form
    • MomotarosDensya Form
    • TanteiUSB Memory Form
    • TakaMedal Form
    • YujouRocket Form
    • MahoutsukaiDiamond Form
    • OrangeLock Form
    • ObakeParka Form

Kamen Rider Zero-One

  • Kamen Rider Zero-One
    • Shooting Wolf
    • Punching Kong
    • Rushing Cheetah
    • Sparking Giraffe
    • Amazing Hercules
    • Sting Scorpion
    • Lightning Hornet
    • Gatling Hedgehog
    • Exciting Stag
    • Crushing Buffalo
    • Trapping Spider
    • Storming Penguin
    • Splashing Whale
    • Amazing Caucasus
    • Scouting Panda
    • Burning Falcon
    • Fighting Jackal
    • Invading Horseshoe Crab

Kamen Rider Saber

  • Kamen Rider Saber
    • Storm Eagle
    • Saiyuu Journey
    • Dragon Kiring
    • Dragon Butasan
    • Dragon Ninja
    • Dragon Alangina
    • Dragon Hansel
    • Dragon Usakame
    • Dragon Houshin Engi
    • Dragon Issun
    • Dragon Jizou
    • Dragon Kaguyan
    • Dragon Hedgehog Alangina
    • Dragon Hedgehog Jackun
    • Dragon Hedgehog Arthur
    • Dragon Hedgehog Butasan
    • Dragon Hedgehog Kirin
    • Dragon Hedgehog Ninja
    • Dragon Hedgehog Hansel
    • Dragon Hedgehog Bremen
    • Dragon Hedgehog Saiyuu
    • Dragon Hedgehog Usakame
    • Dragon Hedgehog Sarukani
    • Dragon Hedgehog Houshin Engi
    • Dragon Hedgehog Issun
    • Dragon Hedgehog Jizou
    • Dragon Hedgehog Kaguyan
    • Dragon Lion
    • Dragon Lion Alangina
    • Dragon Lion Jackun
    • Dragon Lion Peter
    • Dragon Lion Arthur
    • Dragon Lion Butasan
    • Dragon Lion Kirin
    • Dragon Lion Ninja
    • Dragon Lion Hansel
    • Dragon Lion Bremen
    • Dragon Lion Saiyuu
    • Dragon Lion Usakame
    • Dragon Lion Sarukani
    • Dragon Lion Houshin Engi
    • Dragon Lion Issun
    • Dragon Lion Jizou
    • Dragon Lion Kaguyan
    • Dragon Eagle Alangina
    • Dragon Eagle Jackun
    • Dragon Eagle Peter
    • Dragon Eagle Arthur
    • Dragon Eagle Kirin
    • Dragon Eagle Ninja
    • Dragon Eagle Hansel
    • Dragon Eagle Bremen
    • Dragon Eagle Usakame
    • Dragon Eagle Sarukani
    • Dragon Eagle Houshin Engi
    • Dragon Eagle Issun
    • Dragon Eagle Jizou
    • Dragon Eagle Kaguyan

  • Kamen Rider Blades
    • Tenkuu no Pegasus
    • Peter Fantasista
    • Dragon Lion
    • Dragon Lion Alangina
    • Dragon Lion Jackun
    • Dragon Lion Peter
    • Dragon Lion Arthur
    • Dragon Lion Butasan
    • Dragon Lion Kirin
    • Dragon Lion Ninja
    • Dragon Lion Hansel
    • Dragon Lion Bremen
    • Dragon Lion Saiyuu
    • Dragon Lion Usakame
    • Dragon Lion Sarukani
    • Dragon Lion Houshin Engi
    • Dragon Lion Issun
    • Dragon Lion Jizou
    • Dragon Lion Kaguyan
    • Genbu Lion
    • Genbu Lion Alangina
    • Genbu Lion Jackun
    • Genbu Lion Peter
    • Genbu Lion Arthur
    • Genbu Lion Butasan
    • Genbu Lion Kirin
    • Genbu Lion Ninja
    • Genbu Lion Hansel
    • Genbu Lion Bremen
    • Genbu Lion Saiyuu
    • Genbu Lion Usakame
    • Genbu Lion Sarukani
    • Genbu Lion Houshin Engi
    • Genbu Lion Issun
    • Genbu Lion Jizou
    • Genbu Lion Kaguyan
    • Lion Alangina
    • Lion Jackun
    • Lion Arthur
    • Lion Butasan
    • Lion Kirin
    • Lion Ninja
    • Lion Hansel
    • Lion Bremen
    • Lion Saiyuu
    • Lion Usakame
    • Lion Sarukani
    • Lion Houshin Engi
    • Lion Issun
    • Lion Jizou
    • Lion Kaguyan
    • Pegasus Lion Alangina
    • Pegasus Lion Jackun
    • Pegasus Lion Arthur
    • Pegasus Lion Butasan
    • Pegasus Lion Kirin
    • Pegasus Lion Ninja
    • Pegasus Lion Hansel
    • Pegasus Lion Bremen
    • Pegasus Lion Saiyuu
    • Pegasus Lion Usakame
    • Pegasus Lion Sarukani
    • Pegasus Lion Houshin Engi
    • Pegasus Lion Issun
    • Pegasus Lion Jizou
    • Pegasus Lion Kaguyan
    • Jaaku Dragon Lion
    • Jaaku Dragon Lion Alangina
    • Jaaku Dragon Lion Jackun
    • Jaaku Dragon Lion Peter
    • Jaaku Dragon Lion Arthur
    • Jaaku Dragon Lion Butasan
    • Jaaku Dragon Lion Kirin
    • Jaaku Dragon Lion Ninja
    • Jaaku Dragon Lion Hansel
    • Jaaku Dragon Lion Bremen
    • Jaaku Dragon Lion Saiyuu
    • Jaaku Dragon Lion Usakame
    • Jaaku Dragon Lion Sarukani
    • Jaaku Dragon Lion Houshin Engi
    • Jaaku Dragon Lion Issun
    • Jaaku Dragon Lion Jizou
    • Jaaku Dragon Lion Kaguyan
    • Cerberus Lion
    • Cerberus Lion Alangina
    • Cerberus Lion Jackun
    • Cerberus Lion Peter
    • Cerberus Lion Arthur
    • Cerberus Lion Butasan
    • Cerberus Lion Kirin
    • Cerberus Lion Ninja
    • Cerberus Lion Hansel
    • Cerberus Lion Bremen
    • Cerberus Lion Saiyuu
    • Cerberus Lion Usakame
    • Cerberus Lion Sarukani
    • Cerberus Lion Houshin Engi
    • Cerberus Lion Issun
    • Cerberus Lion Jizou
    • Cerberus Lion Kaguyan

  • Kamen Rider Espada
    • Tri Cerberus
    • Needle Hedgehog
    • Eagle Alangina
    • Lion Alangina
    • Lamp Do Cerberus
    • Cerberus Eagle Alangina
    • Cerberus Lion Alangina
    • Cerberus Hedgehog Alangina
    • Dragon Alangina
    • Dragon Hedgehog Alangina
    • Dragon Lion Alangina
    • Dragon Eagle Alangina
    • Genbu Alangina
    • Genbu Hedgehog Alangina
    • Genbu Lion Alangina
    • Genbu Eagle Alangina
    • Pegasus Alangina
    • Pegasus Eagle Alangina
    • Pegasus Hedgehog Alangina
    • Pegasus Lion Alangina
    • Jaaku Dragon Alangina
    • Jaaku Dragon Eagle Alangina
    • Jaaku Dragon Lion Alangina
    • Jaaku Dragon Hedgehog Alangina

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