Keiko Teshima (?? ??, Teshima Keiko, née Maeda Maeda (??); born 25 March 1980) is a retired female Japanese judoka.
She was born in Takasago, Hyogo, and began judo at the age of 12.
She entered Miki House after graduating from Tsukuba University.
She was good at Seoinage and Newaza.In 1998, she won a gold medal the World Junior Judo Championships.
In 1999, she won a gold medal at the World Judo Championships and the Ippon Trophy.She also participated in the Olympic Games in 2000 but was defeated by Celita Schutz from USA.