Edinburgh Skeptics (Edinburgh Skeptics Society) is a nonprofit organisation that promotes science, reason and critical thinking in Edinburgh and throughout Scotland. It was founded in 2009. The Society hosts regular social and educational events in Edinburgh and has campaigned against the use of homeopathy and challenged claims of ghost sightings. In the past the Society has also co-hosted special events, such as a talk by Marc Abrahams, founder of the Ig Nobel Prizes and continues to work with various groups in the scientific and skeptical community.