Akiko Sekiwa (; born April 6, 1978, in Tokoro, Hokkaido, Japan as Akiko Katoh, ) is a Japanese curler and curling coach, a four-time (1994, 1996, 1997, 1998) and a four-time Japan women's champion (1997, 1998, 1999, 2001).
She played for Japan at the 1998 Winter Olympics, where the Japanese team finished in fifth place. Also, she competed at the 2002 Winter Olympics, where the Japanese team finished in eighth place.