Nicolas à  umský (born 13 November 1993) is a Czech professional footballer who currently plays as a midfielder for SK Vysoké Mýto.
à  umský played for the youth teams of clubs including Monaco, Cannes, River Plate and Argentinos Juniors. He subsequently played for Bohemians 1905, Parma and Gorica before heading to Vysoké Mýto of the Czech Fourth Division in January 2014.
Following a period with Slovak side Dukla Banská Bystrica, à  umský joined Scottish side Hamilton Academical on a one-year contract in February 2015. In July 2015, he was loaned out to Scottish League One side Airdrieonians. Following the end of his loan period, à  umský was released by Hamilton in January 2016.
à  umský returned to the Czech Republic in February 2016, signing for Dukla Prague and heading immediately to their farm team in the third tier of Czech football, SK Beneà ¡ov.