Johanna Miia Maria Halkoaho (born 13 January 1977 in Suodenniemi) is a Finnish 100m hurdler and long jumper. She is 165 cm (5'5") tall, and weighs 55 kg (121 lb, 8 st 9 lb), and trains with . Her highest honours include two medals at the 1996 World Junior Championships, a bronze in long jump and a silver in heptathlon. She is also the national indoor champion in the 60 meters hurdles and long jump in 2003, 2004 & 2006 national champion in 100 meters hurdles.