Arlington is a neighborhood in Northwest Baltimore, Maryland. Major streets running through the area include Wabash Avenue, Rogers Avenue, Dolfield Avenue, and West Belvedere Avenue. Two Baltimore Metro Subway stations, Rogers Avenue and West Coldspring are located in the area.

Prior to the passage of the Fair Housing Act of 1968, racial covenants were used in Baltimore to exclude African-Americans, Jews, and other minorities. A 1920 Baltimore Sun advertisement offered housing in West Arlington only for a "recommended Gentile family".

Arlington, along nearby Pikesville, is home to a large Russian-American population.

As of the late 1990s, Arlington was home to a population of 6,000 Russian-speaking Jews from Russia, Ukraine, and elsewhere in Eastern Europe. By 2003, some 20,000 Jews of Russian origin lived in the Baltimore region, predominantly in Northwest Baltimore and nearby neighborhoods of Baltimore County.

Notable current and former residents of Arlington include:

• Sidney W. Bijou (1908–2009), developmental psychologist.

• List of Baltimore neighborhoods

• Northwest District Maps
• Live Baltimore, Arlington Neighborhood