Ekanayake or Ekanayaka is a Sinhalese surname. Notable people with the surname include:

• Chandra Ekanayake, Sri Lankan lawyer and judge
• Ekanayake Edward Rohan Amerasekera, first indigenous Commander of the Sri Lanka Air Force
• Dilhani Ekanayake (born 1973), Sri Lankan actress
• Nandimithra Ekanayake (born 1943), Sri Lankan politician
• Narendra Ekanayake (born 1977), Bahamian cricketer
• Niluka Ekanayake, 10th Governor of Central Province, Sri Lanka
• Nuwan Ekanayake (born 1980), Sri Lankan cricketer
• Sarath Ekanayake, Sri Lankan politician
• Sepala Ekanayake (born 1949), Sri Lankan hijacker
• T. B. Ekanayake (1954–2020), Sri Lankan politician
• Thanuga Ekanayake, Sri Lankan cricketer
• W. B. Ekanayake (1948–2024), Sri Lankan politician

• All pages with titles containing Ekanayaka
• All pages with titles containing Ekanayake