Showtaro Morikubo (born February 25, 1974) is a Japanese voice actor and singer who has voiced characters in anime, drama CDs, and video games. According to the Anime News Network and as of July 8, 2006, Morikubo has about 55 voice role credits under his name. He is currently affiliated with VIMS. He was formerly affiliated with I'm Enterprise.
He was born in Hachiōji, Tokyo. Morikubo dropped out of Tama Art University. He has released song singles, a CD album and a concert DVD.
On February 22, 2007, Morikubo married fellow voice actress Yū Asakawa. However, Asakawa announced in her January 14, 2009 blog entry that the two have divorced.