Qayñnlñq () is a rural locality (a selo) in Biektaw District, Tatarstan. The population was 377 as of 2010.
Qayñnlñq, Vysokogorsky District is located 18 km northwest of Biektaw, district's administrative centre, and 44 km north of Qazan, republic's capital, by road.
The village was established in 1930s.
After the creation of districts in Tatar ASSR (Tatarstan) in Döbyaz (1930sâÂÂ1963), Yäà Âel ÃÂzän (1963âÂÂ1965) and Biektaw districts.