The Ceylon Workers' Congress (CWC) (Tamil: இலங்கை தொழிலாளர் காங்கிரஸ், romanized: Ilaṅkai Toḻilāḷar Kāṅkiras; Sinhala: ලංකා කම්කරු කොංග්රසය Lanka Kamkaru Kongrasaya) is a political party in Sri Lanka that has traditionally represented Sri Lankan Tamils of Indian origin working in the plantation sector of the economy.