In the entire world, Shimahara (Shimahara 
) is an extremely rare unknown gender first name. Predominantly, Shimahara is the last name as well as the forename.
Ms, Kaori, Kohei, Debra, David, Lauri, Lilly, Lidia, Erika, Yuiji, Michio, Mikums, Midori, Angela, Cleide, Clovis, Bonnie, Kanako, Kotaro, Robert, Denise, Jeanne, Kazuo, Karen, Craig, Akira, Ed, Ana, Amy, Aki, Emi, Mark, Mike, Auro, Kaio, Lisa, Tatsuo, Jacy, Olga, Yuri, Yuki, Yuji, Mario, Masao, Sarah, Sheri, Anita, Amber, Edna, and Hideki