is a Japanese former competitive figure skater. He is the 1999 Triglav Trophy champion and competed at the 2000 World Junior Championships, where he placed 24th. He competed in three seasons of the ISU Junior Grand Prix, winning the silver medal at the 1998 event in Mexico. His highest placement at the senior Japanese Championships was 6th. Iwamoto retired from competitive skating following his graduation from university. He now works as a coach and choreographer.