142nd meridian may refer to:

• 142nd meridian east, a line of longitude east of the Greenwich Meridian
• 142nd meridian west, a line of longitude west of the Greenwich Meridian

• High Treason incident
• High treason incident
• High Trestle Trail Bridge
• High trust and low trust societies
• Hightstown Industrial Track
• Hightville, Queensland
• High Tyde
• High Uptown Historic District
• High urban density
• Highvale
• Highvale (disambiguation)
• High Valley discography
• High-Value Interrogation Group
• High Value Manufacturing Catapult
• Highveld blue
• Highveld Blue
• Highveld Lions cricket team
• High veldt
• High Velocity (film)
• High Victorian
• High victorian gothic
• High Victorian Gothic architecture
• Highvie Hamududu
• Highview, New York
• High Vinnalls