Riton (on Bulgarian:Дует Ритон) is a Bulgarian pop duet, one of the most popular duets in the country.
One of the most successful Bulgarian duets, Riton was founded in 1977 by Katya Mihaylova and Zdravko Jelyaskov.
Katya and Zdravko are partners in the real life too.
Duet Riton started singing in Sofia and on the Black Sea.
Their first name was "Studio 2"; later Luben Tsvetkov call them duet Riton.