[Yora]

So far, I've discovered a couple of nice combinations for cultures and languages, that work suprisingly well.

Wood Elves = Scandinavian
Dark Elves = Japanese
Gnomes = Gaelic
Northern Humans = Finish/Estonian/Hungarian
Demons = Ancient Egyptian
And I think the Vandren might work quite well with South Slavic names.

Once you know what it's supposed to sound like, its easier to make names.

Edit: The compiled list of example names, as I have it now:

Spoiler

Lizardfolk: f: Bisra, Dakra, Dara, Draga, Enra, Iskra, Kire, Majai, Matei, Mihal, Mukai, Nada, Raija, Ruka, Ruza, Soia, Vorja, Yaga; m: Adon, Aran, Atar, Ator, Bogan, Bragor, Dajen, Dragan, Enyo, Goran, Hakar, Hazan, Karoj, Kero, Komur, Magjar, Rato, Razan, Ruzar, Sarka, Tagaj, Toron, Utam, Verko.
Wood Elf: f: Adven, Aina, Anya, Asta, Birte, Bodil, Eha, Elin, Elren, Hanna, Kaya, Maren, Maya, Nea, Valdis; m: Anerin, Arvid, Asger, Bevin, Dag, Dagfin, Fannar, Frey, Gunne, Haldor, Halvad, Keld, Keran, Kivan, Kyell, Nevin, Raga, Raiken, Sarel, Sevrin, Sindri, Stian, Teven, Tyge, Tyko, Yalma, Yan, Yeven, Yngwe.
Dark Elf f: Aiko, Airi, Akane, Akio, Aya, Ayaka, Ayane, Chika, Hanako, Kazue, Kyo, Mayu, Mika, Miku, Ran, Shiori, Umeko, Yua; m: Ayumu, Daiki, Haru, Jiro, Juro, Kaoru, Katsu, Kazuo, Kenta, Kohaku, Kuro, Masaru, Naoki, Noboru, Riku, Shin, Shun, Taiki, Takuma, Yasu.
Gnome: f: Aderyn, Afanen, Alis, Brid, Brona, Dagna, Dorean, Eadan, Filda, Fiona, Hailyn, Helmi, Ida, Kadi, Kaili, Katriona, Kerwen, Kora, Maewe, Mair, Mari, Moirin, Mona, Moyra, Murna, Naomi, Roshin; m: Aban, Ahren, Aidan, Anrai, Aran, Bran, Dulin, Garin, Goban, Gorim, Kahal, Kean, Kevan, Kolan, Konn, Neirin, Nial, Oran, Rogar.
Northern Human: f: Agi , Aino, Alma, Amu, Anu, Anya, Dora, Ella, Enni, Hanna, Inka, Kadri, Kati, Mara, Mari, Nora, Pinya, Rina, Ruha, Sara, Satu, Seiya, Taika, Taru, Terye, Trinu, Yana, Yanne; m: Ahti, Akos, Alvar, Ari, Artu, Arvo, Atto, Bandi, Bran, Elek, Iva, Kai, Kimi, Mika, Miksa, Oren, Pavo, Simo, Veli, Vilyo, Yani, Yaska, Yuha, Yuhan, Yuka.
Vandren: f: Aga, Agata, Alma, Aneta, Anka, Anna, Anya, Bara, Borna, Branka, Dana, Dariya, Darya, Dora, Draga, Elena, Ena, Ida, Ines, Katka, Katka, Maya, Mila, Nika, Nina, Sara, Sona, Stana, Tonka, Yaga, Yela, Yelka, Zoya; m: Alen, Davor, Edi, Eney, Fedir, Goran, Ivika, Matei, Matik, Mato, Miran, Pavo, Taras, Yaksa, Yaku, Yanes, Yanko.
Island Human: f: Batari , Cinta, Eka, Kanya, Kasi, Kaya, Kiri, Mawar, Mayli, Mona, Utari; m: Adi, Aku, Anaru, Batar, Dian, Hata, Kimo, Ruha, Sunan, Surya, Yuda.

There's a shortage of wood elf female name, and an unfortunate total absense of Kaas names. If you have any idea that don't sound like Klingons or orcs, let me know.