Takanonami Sadahiro (born Sadahiro Namioka October 27, 1971 - June 20, 2015) was a Japanese sumo wrestler and coach from Aomori. He held sumo's second highest rank of "ōzeki" from 1994 until 2000 and won two tournament titles. He lived a sumo coach life after retirement in 2000 until his death in 2015.