Tennakoon

Tennakoon, Tennekoon, or Thennakoon (තෙන්නකෝන්) is a surname found in Sri Lanka. Notable people with this name include:

Tennakoon

 * Deshabandu Tennakoon (born 1971), a Sri Lankan police officer
 * Janaka Bandara Tennakoon, a Sri Lankan politician
 * Mudiyanse Tennakoon (1934 – 1991), a Sri Lankan politician
 * Nilmini Tennakoon (born 1965), a Sri Lankan actress
 * P. M. K. Tennakoon (born 1917), a Sri Lankan politician
 * Piyasena Tennakoon (1917 – 1982), a Sri Lankan lawyer and politician
 * Pramitha Tennakoon (born 1978), a Sri Lankan politician
 * Raipiyel Tennakoon (1899 – 1965), a Sri Lankan poet
 * Sampath Tennakoon (1959 – 2021), a Sri Lankan actor
 * Soma Kumari Tennakoon (1960 – 2009), a Sri Lankan politician
 * Upali Tennakoon, a Sri Lankan journalist

Tennekoon

 * Anura Tennekoon (born 1946), a Sri Lankan cricketer
 * Herbert Tennekoon, a Sri Lankan civil servant
 * Panini Tennekoon, a Sri Lankan architect
 * R. B. Tennekoon, a Sri Lankan politician
 * R. S. Tennekoon, a Sri Lankan politician
 * Reginald Tennekoon (born 1912), a Sri Lankan politician and businessman
 * T. B. Tennekoon, a Sri Lankan politician
 * Victor Tennekoon (1914 – 1990), a Sri Lankan lawyer and jurist
 * William Tennekoon, a Sri Lankan banker

Thennakoon

 * Daya Thennakoon (1941 – 2020), a Sri Lankan actor
 * Kavindya Thennakoon (born 1995), a Sri Lankan activist
 * Keerthi Thennakoon, a Sri Lankan governor