The Boulevard Line is a railway line in Copenhagen, Denmark.

Boulevard Line may also refer to the following transit lines:

• Boulevard Line (Brooklyn) - Boulevard is now University Parkway
• Broadway Line (Midtown Manhattan surface), previously the Boulevard Line

• Ethnic groups in Buryatia
• Ethnic groups in Chechnya
• Ethnic groups in Chuvashia
• Ethnic groups in Comoros
• Ethnic groups in Dagestan
• Ethnic groups in Djibouti
• Ethnic groups in East Asia
• Ethnic groups in El Salvador
• Ethnic groups in Equatorial Guinea
• Ethnic groups in Eritrea
• Ethnic groups in Florida
• Ethnic groups in Guatemala
• Ethnic groups in Honduras
• Ethnic groups in Ingushetia
• Ethnic groups in Kabardino-Balkaria
• Ethnic groups in Kalmykia
• Ethnic groups in Karachay-Cherkessia
• Ethnic groups in Khakassia
• Ethnic groups in Komi Republic
• Ethnic groups in Mali
• Ethnic groups in Mari El
• Ethnic groups in Mexico
• Ethnic groups in Mordovia
• Ethnic groups in Mozambique
• Ethnic groups in North Ossetia-Alania