Mami Kosuge (小菅真美, born 20 October 1972 in Tokyo, Japan) is a Japanese voice actress affiliated with Production Ace; she was previously represented by Arts Vision. In anime music, she performed "Yasei no Uma (野生の馬)", the ending theme of Nichijou.
On 20 October 2012, Kosuge announced her marriage and pregnancy on her official blog. She later reported on Twitter that she had given birth to her first child in mid-March 2013.