Petrina may refer to:

• Petrina, Arcadia, a village in Arcadia, Greece
• Petrina, Laconia, a village in the Sminos municipal unit, Laconia, Greece
• Petrina, Kostel, a village near Kostel
• Debora Petrina, Italian composer, pianist and songwriter.
• Stipe Petrina (born 1954), Croatian politician

• Upper Baoquan Reservoir
• Upper Baram Kenyah language
• Upper Baron Lake
• Upper Barton Creek
• Upper Batkhela
• Upper Battery
• Upper Bavaria (region)
• Upper Bead Lake
• Upper Bear Creek, Colorado
• Upper Beckett Falls (Hamilton, Ontario)
• Upper Bethlehem, United States Virgin Islands
• Upper Bhavani
• Upper Bicutan
• Upper Bicutan, Taguig
• Upper Big Branch Mine Disaster
• Upper Big Tracadie, Nova Scotia
• Upper Black Eddy – Milford Bridge
• Upper Blue Licks, Kentucky
• Upper Bluff Lake Dancing Birdmen plate
• Upper Bluff Lake Dancing Figures plate
• Upper Bluff Lake Falcon plate
• Upper Boat studios
• Upper body
• Upper body exercise
• Upper Bohn Lake