Pervomaysky Okrug may refer to:

• Pervomaysky Urban Okrug, a municipal formation of the closed urban-type settlement of Pervomaysky, Kirov Oblast, Russia
• Pervomaysky Administrative Okrug, a city division of Murmansk, Russia

• Solor language
• Solor, Norway
• Solor triplefin
• Solor Triplefin
• Solo sailor
• Solo Saxophone Concerts
• Solosin
• Solosis
• Solosky v. The Queen
• Solos language
• Solos (Matthew Friedberger album)
• Solo (soft drink)
• Solo (Solo album)
• Solo (Stockhausen)
• Solo (surname)
• Solo-Swan growth model
• Solotchinskoye peat railway
• SOLO - The Series
• Solothurn Cathedral
• Solothurner Filmtage
• Solothurn railway station
• Solo Tohi
• Soloto language
• Solo (Tony Lucca album)
• SOLO-TREC