There are. Less than female ones, but they exist.
The author that makes a some manga that has "no money" in the name is a guy.
The author of Patalliro is also a guy.
Both boy love, made by male authors.
Kanbe akira is a male but he is straight....he even has a wife I think.....you should rrad his mangas like bittersweer cafe and love and pride....they are very cute and sexy........
The BL manga I mentioned by male authors
http://www.mangago.me/read-manga/okane_ga_nai/
http://www.mangago.me/read-manga/patalliro/
as far as i know most of them draw more bara stuff than yaoi
Okane ga nai is written by a male??
Ikr?? I never knew Σ(っ°Д °;)っ
Rilyy thanks for the info
Ohh thanks im gonna try reading
Awww i wonder if there's really a male yaoi manga artist in real life ><. If there is that would be really cool