McKay Creek () is a meltwater stream, 250 m long, heading on Suess Glacier west-southwest of the west end of Lake Chad at about 100 m elevation and flowing east-northeast into Lake Chad in Taylor Valley, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1996 after Christopher P. McKay, NASA, planetary scientist, who conducted limnological research on Lake Hoare from 1982 and pioneered the use of year-round environmental data collection in dry valley ecosystems.
This article incorporates public domain material from the United States Geological Survey document "McKay Creek" (content from the Geographic Names Information System).