The Society of Dyers and Colourists (SDC) is an international professional society, with headquarters in Bradford, England, specializing in colour in all its manifestations, but particularly in relation to textiles. Founded in 1884, it was granted a Royal Charter of Incorporation in 1963. The SDC is a registered charity.

The SDC deliver courses and qualifications up to degree level (given their Royal Charter) as benchmarked by Ecctis in the UK. These are the ASDC, TCC & FTCC. They also deliver a programme of webinars which are recorded and made available post-event. The members hold regional meetings across the UK and also overseas.

Since 1884 SDC have published the Journal of the Society of Dyers and Colourists, a journal relaunched in 1999 as Coloration Technology.^[1][2]

The Society is a member of the Science Council.