Vegetarianism was the practice of following a diet which excluded meat. The Sixth Doctor became a vegetarian (TV: The Two Doctors) but soon gave it up. (COMIC: Salad Daze)
The Dream Lord assumed the Eleventh Doctor was a vegetarian, calling him "veggie." (TV: Amy's Choice)
Jo Grant approved of vegetarianism, and often thought of becoming one. (PROSE: Catastrophea)
Margery Phipps was a vegetarian. (AUDIO: Council of War)
The Fifth Doctor's companion Peri Brown was a vegetarian and therefore balked at the thought of eating roast boar at a banquet thrown in their honour by Pharaoh Erimem in Egypt in 1400 BC. The Doctor advised her to pretend to have eaten it by moving it around her plate. (AUDIO: The Eye of the Scorpion)
Melanie Bush was a vegetarian from the age of thirteen. (PROSE: Millennial Rites) She believed that it was wrong to eat meat. (PROSE: Business Unusual)
Sam Jones was a vegetarian. (PROSE: The Eight Doctors)