William Bernhardt Tegetmeier FZS (4 November 1816 – 19 November 1912) was an English naturalist, a founding member of the Savage Club, a popular writer and journalist of domestic science. A correspondent and friend of Charles Darwin, Tegetmeier studied pigeon breeds and the optimality of hexagonal honeycomb cells constructed by honeybees. He wrote a number of books dealing with home economics, poultry farming, pigeon breeds, bee-keeping and on the maintenance of livestock.