"Maria" is the debut single of German-American boy band US5. It was written by Dashiel Andrews, Mark "MM" Dollar, Mike Michaels, Sammy Naja, and Jay "TK-Roxx" Khan for their debut studio album Here We Go (2005), while production was helmed by Dollar, Michaels, and Naja. The song peaked at number one on the German Singles Chart and charted within the top 10 in Austria and Switzerland. "Maria" also entered the top 40 of the UK Singles Chart, reaching number 38.
A music video for "Maria" was directed by Oliver Sommer and produced by AVA Studios GmbH. Filmed in May and June 2005 at Universal Studios in Florida, it shows the band dancing with the girls along with their manager Lou Pearlman.