Monika Meyer is the name of:

• Monika Hamann (née Meyer; born 1954), German sprinter
• Monika Meyer (footballer) (born 1972), German footballer

• 42 Kent Street, Millers Point
• 42 Lomasney Way
• 42 Lowell Street
• 42 (Metrobus)
• 42 (Mumford & Sons song)
• 42nd and Baltimore station
• 42nd and Chester station
• 42nd and Grand Street Ferry Line
• 42nd and Woodland station
• 42nd Anti-Aircraft Brigade
• 42nd Anti-Aircraft Brigade (United Kingdom)
• 42nd Arizona State Legislature
• 42nd Army Corps (Russian Empire)
• 42nd Army (People's Republic of China)
• 42nd Bachsas Awards
• 42nd Baeksang Arts Awards
• 42nd & Baltimore (SEPTA station)
• 42nd Battalion, Royal Queensland Regiment
• 42nd British Columbia general election
• 42nd Canadian Parliament
• 42nd & Chester (SEPTA station)
• 42nd César Awards
• 42nd Directors Guild of America Awards
• 42nd Division (Imperial Japanese Army)
• 42nd Division (Spain)