We’re in Udon county so here goes the list

Kamaage-Udon, Yudame-Udon, Hiyashi-Udon, Zaru-Udon, Tarai-Udon, Bukkake-Udon, Negi-Udon, Kayaku-Udon, Kitsune-Udon, Tanuki-Udon, Tsukimi-Udon, Shippoku-Udon, Miso-Udon, Niku-Udon, Nikumiso-Udon, Oyako-Udon, Tanin-Udon, Kamonanban-Udon, Anago-Udon, Nishin-Udon, Kamasu-Udon, Tamagotoji-Udon, Asari-Udon, Chikara-Udon, Sansai-Udon, Yamakake-Udon, Matsutake-Udon, Kinoko-Udon, Nattou-Udon, Umeboshi-Udon, Wakame-Udon, Tenpura-Udon, Tororo-Udon, Gomoku-Udon, Uchikomi-Udon, Dojou-Jiru, Kamatama-Udon, Kijouyu-Udon, Curry-Udon, Oroshi-Daikon-Udon, Salad-Udon, Nabeyaki-Udon, Udon-Suki. More about Udon here