In this bog I've collected all the female aliens and near-humans from the classic trilogy and classic spin-offs. In a subsequent entry, I'll do the same for the prequels. I'll also add their species.

A New Hope
- Dice Ibegon: Florn Lamproid
- Kabe: Chadra Fan
- Kal'Falnl C'ndros: Quor'sav
- Kitik Keed'kak: Yam'rii / Huk
- Leesub Sirln: Qiraash
- M'iiyoom Onith: H'nemthe
- Sai'torr Kal Fas: Saurin
- Tawss Khaa: Nimbanel
- Tonnika Sisters: Kiffar (Near-human) (* the actual Sisters were not seen onscreen)
- Wioslea: Vuvrian

The Empire Strikes Back
- Kebyc: Near-human, unknown species
- Luke's Tauntaun: Not an intelligent female, but she is a girl.
- Treva Horme: Lutrillian

Return of the Jedi
- Aved Luun: Jawa
- Greeata Jendowian: Rodian
- Herat: Jawa
- Leslomy Tacema: Duros
- Lyn Me: Twi'lek
- Oola: Twi'lek
- Rystall Sant: half-Theelin
- Shasa Tiel: Ishi Tib
- Sy Snootles: Pa'lowick
- Thaneespi: Mon Calamari (wears a helmet)
- Yarna d'al Gargan: Askajian

Spin-offs:
- Ewoks: Kaink, Latara, Malani, Shodu, Kneesaa, etc...: See my Ewok blog
- Gormaanda: Unknown species
- Izrina: Wistie
- Lady Urgah: Dulok
- Mallatobuck: Wookiee
- Mermeia: Unknown near-human species
- Morag: Tulgah
- Princess Gerin: Tammuz-an
- Zorbak: Unknown species

Unknown:
- Ewok mother
- H'nemthe in Jabba's Palace: Is this a female or a male?

PS: Rachalt Hyst is also female (Snivvian), but that's in fact an image of Zutton used by Decipher to create another person, so that doesn't count.

If you know any more confirmed female classic aliens, please let me know. After all, it is sometimes hard to see if an alien is male or female.