|Full name||Yaya Alfa Soumahoro|
|Date of birth||28 September 1989|
|Place of birth||Abidjan, Côte d'Ivoire|
|Height||1.70 m (5 ft 7 in)|
|Ratchaburi Mitr Phol|
|2017–||Ratchaburi Mitr Phol||0||(0)|
|2011||Côte d'Ivoire U23|
|* Senior club appearances and goals counted for the domestic league only.
Yaya Alfa Soumahoro (born 28 September 1989 in Abidjan) is a professional footballer from Côte d'Ivoire. He currently plays for Ratchaburi Mitr Phol in Thai League 1. He was once well known in Thailand when he played for Muangthong United. 
Soumahoro grew in the Ivorian capital Abidjan. He learned to play football in the streets and he decided quite early to play in the team of Séwé Sports de San Pedro. Soumahoro lost both parents at an early age and was taken care by a foster family.
In 2008 Soumahoro made the quite strange transfer to the Thai team Muangthong United. He became a figurehead in this team, as he scored many goals and charmed the supporters with his numerous dribbles. He scored 32 goals in 72 games and Thai Premier League Championship 2 Time
Soumahoro was scouted intensively by the Belgian team AA Gent. Gent took Soumahoro well into consideration and as from the start of the transfer period he went to Gent. He made his debut only 32 hours after he had left his plane. He gave a good impression with some beautiful dribbles. He gave some more good impressions by having a hand in each of the three goals which Gent scored. 4 days later he wrote a piece of history by qualifying AA Gent in the qualifying round of the Europa League. He scored in the last game against Feyenoord 1-0. Soumahoro kept on playing well, but was injured in November 2010 and couldn't play for one month. This meant the start of a hard time for Soumahoro. He couldn't reach his level of the start of the competition anymore and had to grow slowly to his former level of football again. Nevertheless, on the 23. November, he signed a new contract of 1 extra year, which links him to the club until 2014.
Yaya joined in January 2011 from Séwé Sports de San Pedro to Thai Premier League club Muangthong United. He played in 67 games and scored 32 goals for Muangthong United before signed on 1 July 2010 with Belgian club Gent.