Denisa is a feminine given name, equivalent to English Denise, used in various European languages, particularly in Albanian, Croatian, Czech, Romanian, Slovak and Slovenian. Notable people with the name include:
- Denisa Chládková (born 1979), Czech female tennis player
- Denisa Dedu (born 1994), Romanian handball player
- Denisa Dvořáková (born 1989), Czech model
- Denisa Golgotă (born 2002), Romanian artistic gymnast
- Denisa Křížová (born 1994), Czech ice hockey player
- Denisa Legac, Croatian physician
- Denisa Mailat (born 2002), Romanian rhythmic gymnast
- Denisa Proto (born 1991), Albanian footballer
- Denisa Rosolová (born 1986), Czech athlete
- Denisa Šátralová (born 1993), Czech tennis player
- Denisa Saková (born 1976), Slovak politician
- Denisa Sokolovská (born 1971), Czechoslovak rhythmic gymnast
- Denisa Smolenová (born 1989), Slovak swimmer
- Denisa Spergerová (born 2000), Czech model and beauty pageant titleholder
- Denisa Tîlvescu (born 1996), Romanian rower
- Denisa Vyšňovská (born 1994), Slovak model and beauty pageant titleholder
- Denisa Wagner, American scientist
- Jiří Procházka, a Czech martial artist known as Denisa or Deniska