'''Knell''' is a surname, and may refer to:
* Eric Knell (1903–1987), English Anglican Bishop * Gary Knell (born 1954), American broadcast executive * Phil Knell (1865–1944), American baseball player * Wiebke Knell (born 1981), German politician * William Knell (actor) (d 1587), Elizabethan English actor * William Adolphus Knell (1801–1875), British maritime painter * William Calcott Knell (1830–1880), British landscape painter
A '''knell''' is also the sound of a bell when being rung for a funeral: * Death knell
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