Drama

• Kamen Rider Kabuto as Daisuke Kazama/Kamen Rider Drake
• Jigoku Shoujo as Ichimoku Ren
• Hotaru no Hikari as Teshima Makoto
• Cafe 吉祥寺で (2008)
• Indigo no yoru (2010)

Film

• Kamen Rider Kabuto: God Speed Love as Daisuke Kazama/Kamen Rider Drake
• Kamen Rider The Next as Shiro Kazami/Kamen Rider V3
• The Monster X Strikes Back/Attack the G8 Summit
• Kamigakari (2008)
• ＨａＰＰＹダーツ (2008)
• Neko Rahmen Taisho (2008)
• Koikyokusei (2009)
• Wangan Midnight (2009) as Tatsuya Shima
• Sanada 10 Braves (2016)^[1]
• Kaitō Queen wa Circus ga Osuki (2022) as Joker^[2]

Theatre

• The Imperial Match Hyotei as Keigo Atobe
• The Imperial Match Hyoutei in Winter as Keigo Atobe
• Dream Live 3rd as Keigo Atobe
• Advancement Match Rokkaku feat. Hyotei Gakuen as Keigo Atobe
• Dream Live 4th (Video Performance) as Keigo Atobe)
• bambino+ (Video Performance) as Nazo no otoko (The secret man)
• babino2 (due) as Aoyama Ryuichi
• The Imperial Presence Hyoutei Gakuen feat. Higa Chuu as Keigo Atobe
• Senbonzakura (Musical) as Kaito
• Romeo and Juliet (2014 Musical) as Tybalt
• Lady Bess (2014 Musical) as Robin Blake

Anime

• Katekyo Hitman Reborn! (2006) as Kikyo
• Gifū Dōdō!! Kanetsugu to Keiji (2013) as Mitsunari Ishida^[3]
• B-Project: Kodou*Ambitious (2016) as Kento Aizome^[4]
• Ikemen Sengoku: Toki o Kakeru Koi wa Hajimaranai (2017) as Date Masamune^[5]
• Kaito x Ansa (2017) as Kaito Aen^[6]
• B-Project: Zecchou*Emotion (2019) as Kento Aizome
• B-Project: Passion*Love Call (2023) as Kento Aizome

Video games

• Ikemen Sengoku: Romances Across Time (2015) as Date Masamune
• B-Project: Muteki*Dangerous (2016) as Kento Aizome
• B-Project: Kaikan*Everyday (2019) as Kento Aizome
• Disney: Twisted-Wonderland (2020) as Malleus Draconia
• Ikemen Prince: The Last Love of Beauty and the Beast (2020) as Leon Dompteur
• The Caligula Effect 2 (2021) as Doctor^[7]

Dubbing

• S.W.A.T. as Sergeant II David "Deacon" Kay (Jay Harrington)^[8]

Internet

• Hitomebore short drama CM

Drama CD

• Ikemen Sengoku: Romances Across Time as Date Masamune

DVD

• 55mm
• Shinrei Shashin Kitan
• Kazuki Kato Live "GIG" 2006
• Kazuki Kato 1st Anniversary Special Live "GIG" 2007
• Kato Kazuki 3rd ANNIVERSARY SPECIAL LIVE "GIG" 2009 ~Shining Road~
• Live "GIG" Tour 2014 ~Sing A Song Fighter~in Zepp DiverCity Tokyo

Singles

1. "Vampire/Yume Hikōki" (Vampire/ユメヒコウキ, "Vampire/Dream Airplane") – October 18, 2006
2. "Soba ni Ite" (そばにいて, "Have You Around") – February 7, 2007
3. "Instinctive Love" – July 25, 2007
4. "Impure Love" – October 3, 2007
5. "Venom" – March 4, 2009
6. "Easy Go" – June 10, 2009
7. "Yokujō (Libido)" (欲情-libido-, "Libido") – March 17, 2010
8. "Shakunetsu Finger de Fever!" (灼熱フィンガーでFEVER!, Shakunetsu Fingā de FEVER!, "Feverish Burning Fingers!") – July 28, 2010
9. "Kiseki" – April 24, 2013
10. "Legend Is Born" – June 4, 2014
11. "snowdrop" – December 3, 2014
12. "Haru Koi/Yumeoibito" – April 20, 2016
13. "Natsu Koi/Aki Koi" – September 28, 2016
14. "Fuyu Koi" – January 18, 2017

Albums

1. Rough Diamond – April 26, 2006
2. Face – April 4, 2007
3. In Love – January 23, 2008
4. Glamorous Beat – July 15, 2009
5. TOY BOX – November 20, 2013
6. EXCITING BOX – April 29, 2015
7. SPICY BOX – October 18, 2017
8. Ultra Worker – July 18, 2018
9. Addicted BOX – June 10, 2020

Other

• Musical Prince of Tennis Best Actors Series 002: Kazuki Kato as Keigo Atobe (ミュージカル テニスの王子様 ベストアクターズシリーズ002 加藤和樹 as 跡部景吾, Myūjikaru Tenisu no Ōjisama Besuto Akutāzu Shirīzu 002 Katō Kazuki as Atobe Keigo) – December 19, 2005
• I Love Koizora from Mahō no Iland (I LOVE 恋空 from 魔法のiらんど, I LOVE Koizora from Mahō no Airando) – January 30, 2008
  • Track 6: "Kutsuato (Miageta Sora, Motto Hirokute)" (靴あと〜見上げた空、もっと広くて〜)
• Katekyō Hitman Reborn! Character Album: Song "Blue" (Rivale) (家庭教師ヒットマンREBORN! キャラクターアルバム SONG "BLUE" 〜rivale〜, Katekyō Hittoman Ribōn! Kyarakutā Arubamu SONG "BLUE" ~rivale~)
  • Track 8: "Kyōki no Hana" (狂気の花)
• Katekyō Hitman Reborn! Concert Rebocon 4: Blue