Madagamagamage Dasun Shanaka, or Dasun Shanaka (born 9 September 1991), is a Sri Lankan first-class cricketer. Shanaka is a past student of Maris Stella College, Negombo. He was named in Sri Lanka's Twenty20 International (T20I) squad for their series against Pakistan in July 2015. He made his T20I debut on 1 August 2015 as the 58th T20I cap for Sri Lanka.