|This article is about a/an idol unit in Engine Sentai Go-Onger.|
G3 Princess is the idol unit composed of gravure idols Rina Aizawa, Yumi Sugimoto and Nao Oikawa who played Saki Rouyama (Go-On Yellow), Miu Sutou (Go-On Silver) and Water Pollution Minister Kegalesia (Kega Yellow) respectively in Engine Sentai Go-Onger. They released a single entitled G3 Princess Lap -PRETTY LOVE☆Limited-.
G3 Princess also exists in-universe, composed of the actresses' respective characters. They appear in episode 31, Idol Debut, again in episode 45, Hatsuyume Plans!?, and return in the movie of Kaizoku Sentai Gokaiger, Kaizoku Sentai Gokaiger The Movie: The Flying Ghost Ship.
- Alongside their appearance in The Flying Ghost Ship, each of the three G3 Princess members appears in one Gokaiger media while the other two don't:
- Saki appears in Gokaiger Goseiger Super Sentai 199 Hero Great Battle, where she ultimately grants the Go-Onger Greater Power to the pirate team.
- Kegaleshia appears in Kaizoku Sentai Gokaiger vs. Space Sheriff Gavan: The Movie, where she is a captive of the space prison alongside the other Gaiark ministers.
- Miu appears in the final Gokaiger episode, Farewell Space Pirates, as one of the alumni who give a final farewell to the departing team.
- All members of G3 Princess are Go-Ongers.
- Kegalesia is the second Go-On Yellow, nicknamed Kega Yellow, due to temporary absence of Saki from the Go-Ongers. Only appears in Engine Sentai Go-Onger: 10 Years Grand Prix.