Sofi may refer to:

• Sofi (mascot), the Mascot for 2010 ISF Women's World Championship

• Sofi Marinova (born 1975), Bulgarian singer

• Sophy (Safavid Iran), a term Western literature used to refer to the ruler of Safavid Iran, a corruption of the word "Safavi"— the ruling dynasty

SOFI may refer to:

• Swedish Institute for Language and Folklore

• Spray-On Foam Insulation, used on the Space Shuttle

• Social finance, mobilizing investment capital to drive social progress

• SoFi (Social Finance Inc.), an online personal finance company

• Sofia Toufa (born 1983), also known by her stage name Sofi

• South of Fifth, a neighborhood in Miami Beach, FL, also known as SOFI

• SoFi Stadium, in Los Angeles, California

• Super-resolution optical fluctuation imaging (SOFI), a technique for super-resolution microscopy

• Sofifi, a city in Indonesia