Super Sentai Villainesses that I remember:

1. Princess Chimera - Kagaku Sentai Dynaman (1983)
2. Leh Näfel - Choshinsei Flashman (1986)
3. Earth Imperial Prince Igum & Ninja Fumin - Hikari Sentai Maskman (1987)
4. Doctor Mazenda - Choju Sentai Liveman (1988)
5. Wandering Bohma Kirika - Kousoku Sentai Turboranger (1989)
6. Maria - Chojin Sentai Jetman (1991)
7. Secret Scorpion Officer Lamy - Kyoryu Sentai Zyuranger (1992)
8. Lieutenant Colonel Gara + Three Ladies of Hell (Lady Earring, Necklace & Ring) - Gosei Sentai Dairanger (1993)
9. Flowery Kunoichi Team - Ninja Sentai Kakuranger (1994)
10. Beauty Zonnette - Gekiso Sentai Carranger (1996)
11. Shibolena - Denji Sentai Megaranger (1997)
12. Steerwoman Shellinda - Seiju Sentai Gingaman (1998)
13. Evil Spirit Princess Denus - Kyukyu Sentai GoGoFive (1999)
14. Lila - Mirai Sentai Timeranger (2000)
15. Duchess Org TsueTsue - Hyakuju Sentai Gaoranger (2001)
16. First Spear, Frabeejo & Fourth Spear, Wendine - Ninpu Sentai Hurricaneger (2002)
17. Apostle of Destruction Jeanne & Apostle of Dawn Lije Lejewel - Bakuryu Sentai Abaranger (2003)
18. Reversian Succubus Hells - Tokuso Sentai Dekaranger (2004)
19. Nai & Mea - Mahou Sentai Magiranger (2005)
20. Shizuka of the Wind - GoGo Sentai Boukenger (2006)
21. Mele - Juken Sentai Gekiranger (2007)
22. Water Pollution Minister Kegalesia - Engine Sentai Go-Onger (2008)
23. Escape - Tokumei Sentai Go-Busters (2012)
24. Sononi + Miho Kijino (Crane Juto) - Avataro Sentai Donbrothers (2022)

Extra Mention:

• Queen Eliza - Choukou Senshi Changéríon (1996)
• Malseena - Unofficial Sentai Akibaranger (2012)

Which one is your favourite and why?

Here's the link:

https://x.com/Sgmt_Yumi/status/2054396239828205815