New Blood 7 was a professional wrestling event promoted by World Wonder Ring Stardom, held on January 20, 2023, at Belle Salle Takadanobaba in Tokyo, Japan. It featured the first-round matches in the tournament to crown the inaugural Stardom New Blood Tag Team Champions.
| Actor | Role |
|---|---|
 Mirai ItoMIRAI | MIRAI |
 Tomoka InabaTomoka Inaba | Tomoka Inaba |
 HananHanan | Hanan |
 Saya IidaSaya Iida | Saya Iida |
 Starlight KidStarlight Kid | Starlight Kid |
 Haruka UmesakiKARMA | KARMA |
 Mariah May MeadMariah May | Mariah May |
 Xia-Louise BrooksXia Brookside | Xia Brookside |
 HinaHina | Hina |
 Chie NagataniLady C | Lady C |
 Mai SakuraiMai Sakurai | Mai Sakurai |
 ChanyotaChanyota | Chanyota |
 Ami MiuraAmi Sourei | Ami Sourei |
 Nanami HatanoNanami | Nanami |
 Shieru WakanaMomo Kohgo | Momo Kohgo |
 Momoka HanazonoMomoka Hanazono | Momoka Hanazono |
 Nanae TakahashiNanae Takahashi | Nanae Takahashi |
 Waka TsukiyamaWaka Tsukiyama | Waka Tsukiyama |
 RuakaRuaka | Ruaka |
 Marika KobashiMarika Kobashi | Marika Kobashi |
 RinaRina | Rina |
 MiranMiran | Miran |