H. carnea may refer to:

• Hydractinia carnea, an athecate hydroid
• Hypocrea carnea, a sac fungus
• Hyposmocoma carnea, a moth endemic to Kauai
• Hypselodoris carnea, a sea slug

• 1977 Louisiana Tech Bulldogs football team
• 1977 Louisville Open
• 1977 LPGA Championship
• 1977 LSU Tigers football team
• 1977 Macdonald Brier
• 1977 Major League Baseball expansion
• 1977 Mangere by-election
• 1977 Marlboro NSW Open
• 1977 Marlboro South Australian Men's Tennis Classic – Doubles
• 1977 Marlboro South Australian Men's Tennis Classic – Singles
• 1977 Marshallese Constitutional Convention election
• 1977 Marshallese status referendum
• 1977 Mayotte by-election
• 1977 Men's British Open Squash Championship
• 1977 Men's World Open Squash Championship
• 1977 Mongolian legislative election
• 1977 Montana Grizzlies football team
• 1977 Monte Carlo Open
• 1977 Monte Carlo WCT
• 1977 Moscow Film Festival
• 1977 Moscow International Film Festival
• 1977 Mr. Olympia
• 1977 Mutual Benefit Life Open
• 1977 NAPA National 500
• 1977 NASCAR Cup Series