Mosenthal may refer to

• Joseph Mosenthal
• Salomon Hermann Mosenthal

• First Colijn cabinet
• First Collection 2006-2009
• First Collection 2006–2009
• First college football game ever
• First college football game ever played
• First Colored Baptist Church (Memphis, Tennessee)
• First Comes the Night
• First Coming
• First company grip
• First Company Law Directive
• First Confederate Congress
• First Conference of the International Woman Suffrage Alliance
• First conflict in the Goryeo-Khitan War
• First conflict of the Goguryeo-Tang War
• First conflict of the Goguryeo-Tang Wars
• First conflict of the Goguryeo–Tang Wars
• First Congregational Church (Albany, New York)
• First Congregational Church and Parsonage (Prescott, AZ)
• First Congregational Church (Anthony, Kansas)
• First Congregational Church (Farmington, New Hampshire)
• First Congregational Church (Jackson, Michigan)
• First Congregational Church (Los Angeles)
• First Congregational Church of Albany
• First Congregational Church of Cornwall Parsonage
• First Congregational Church of Detroit