Greengairs is a village in North Lanarkshire, Scotland. Greengairs is shown on a map by Roy c.1754 under the name of Green Geirs. In toponymy the name means "green strips of grass". Lying 3 miles southeast of Cumbernauld and 3 miles north east of Airdrie, the village consists mainly of local authority housing. Between them Greengairs and Wattston have about 1,190 residents. It developed in the nineteenth century due to increased coal mining and quarrying.