Guimarei
Template:Infobox Portuguese subdivision Guimarei is a former civil parish in the municipality of Santo Tirso, Portugal. In 2013, the parish merged into the new parish Lamelas e Guimarei.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> It has a population of 736 (2001 census), and an area of 6.43 km2. It is located 3 km south of the center of the city of Santo Tirso in the Leça Valley.
It is a residential place with some people working in agriculture.