1st Tupchanovo (; , 1-se Töpsän) is a rural locality (a village) in Yuldybaievsky Selsoviet of Kugarchinsky District, Russia. The population was 126 as of 2010.
1st Tupchanovo is located 12 km southeast of Mrakovo (the district's administrative centre) by road. Ibragimovo is the nearest rural locality.
The village is inhabited by Bashkirs and others.