No. Currently, only heterosexual and married couples can adopt in Russia.
You can find this information in the following post: International Adoption in the U.S. – How Does It Works?
Read the full article on: Single Parent Adoption: – Where Is it Possible and How Does it Work? ( 34).

Zaira Salvador
Embryologist
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia (UPV). Embryologist specializing in Assisted Procreation, with a Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI).
License: 3185-CV