This Element aims to expand the theoretical and methodological boundaries of Cognitive Linguistics. Research on language contact from a cognitive perspective has been neglected despite the omnipresence of linguistic contact situations. This Element addresses questions of language contact research from a cognitive perspective. The aims of this Element are twofold: first, to present the current state of the art in cognitive contact linguistics; second, to discuss existing and original theoretical approaches in this field. The focus is on four key topics that can be examined within a cognitive framework: manifestations of language contact in language processing and production, contact-induced language change at different linguistic levels, contact-induced variation in discourse and conversation, and the combination of a social and cognitive perspective in the analysis of loan processes and their linguistic effects. This title is also available as Open Access on Cambridge Core.