Derek Reginald Lamb (20 June 1936 – 5 November 2005) was a British animation filmmaker and producer.
He also created numerous animated sketches for Sesame Street, sometimes in collaboration with John Canemaker.
Lamb and Fedorenko collaborated on the first animation sequences for an IMAX film, Skyward, first presented at Expo '85 in Tsukuba, Ibaraki, Japan.
With Fedorenko and Perlman, Lamb created the animated title sequence of the PBS series Mystery!
He died at the age of 69 from cancer, at a friend's home in Poulsbo, Washington on 5 November 2005.