Avishka is a given name. Notable people with the name include:
Avishka Chenuka (born 1999), Sri Lankan cricketer Avishka Fernando (born 1998), Sri Lankan cricketer Avishka Fernando (Kilinochchi District cricketer), Sri Lankan cricketer Avishka Gunawardene (born 1977), Sri Lankan cricketer Avishka Perera (born 2001), Sri Lankan cricketer Avishka Tharindu (born 2001), Sri Lankan cricketer