Kasymaly Bayaly uulu (; also Russified as Kasymaly Bayalinov) was a Kyrgyz writer and translator.
He was born in Kök-Moynok village, Issyk-Kul Region on September 25, 1902. He lost his parents at a young age and grew up with his relatives.
In 1916 during the Urkun he fled to China, returning to Kyrgyzstan in 1918 after the October Revolution.
He is most well known for his story "Ajar", a tragedy of a young girl during the Urkun. This story continues to occupy an important place in Kyrgyz literature.