Stefanowo may refer to the following places:

• Stefanowo, Inowrocław County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
• Stefanowo, Radziejów County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
• Stefanowo, Włocławek County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
• Stefanowo, Podlaskie Voivodeship (north-east Poland)
• Stefanowo, Masovian Voivodeship (east-central Poland)
• Stefanowo, Gostyń County in Greater Poland Voivodeship (west-central Poland)
• Stefanowo, Koło County in Greater Poland Voivodeship (west-central Poland)
• Stefanowo, Gmina Kazimierz Biskupi in Greater Poland Voivodeship (west-central Poland)
• Stefanowo, Gmina Sompolno in Greater Poland Voivodeship (west-central Poland)
• Stefanowo, Nowy Tomyśl County in Greater Poland Voivodeship (west-central Poland)
• Stefanowo, Pomeranian Voivodeship (north Poland)
• Stefanowo, Puck County in Pomeranian Voivodeship (north Poland)
• Stefanowo, Warmian-Masurian Voivodeship (north Poland)

• Quadrate lobes
• Quadrate lobes of livers
• Quadrate lobes of the livers
• Quadrate tubercles
• Quadratic approximation
• Quadratic Discriminant Analysis
• Quadratic field strength
• Quadratic hypersurface
• Quadratic irrational
• Quadratic irrational numbers
• Quadratic knapsack problem
• Quadratic math
• Quadratic operad
• Quadratic pseudo-Boolean optimization
• Quadratic quadrilateral element
• Quadratic texture mapping
• Quadratic voting
• Quadratillo Abduqaxorov
• Quadratinae
• Quadratojugal bones
• Quadrat (patience)
• Quadratrix of Dinostratus
• Quadrature decoder
• Quadrature division multiple access
• Quadratus femoris muscles