Markéta Irglová (born February 28, 1988) is an Czech singer, songwriter, and actress, as well as one half of the folk rock group The Swell Season (along with Glen Hansard). Both Irglová and Hansard were cast as guest stars in the Season 20 episode , "In the Name of the Grandfather".
Irglová's career launched after her father booked Glen Hansard's music group The Frames to perform at a music festival in the Czech Republic. Hansard helped develop Irglová's skills as an artist and songwriter, and also helped her launch her career. Both Irglová and Hansard formed The Swell Season in 2006.
Irglová (and Hansard) won an Academy Award for Best Original Song for his song "Falling Slowly" from the film Once.