The Coming of Bill is a novel by P. G. Wodehouse, first published, as Their Mutual Child, in the United States in 1919 by Boni and Liveright, New York, and in the United Kingdom on 1 July 1920 by H...

The Coming of Bill is a novel by P. G. Wodehouse, first published, as Their Mutual Child, in the United States in 1919 by Boni and Liveright, New York, and in the United Kingdom on 1 July 1920 by Herbert Jenkins, London. The story first appeared in Munsey's Magazine in May 1914, under the title The White Hope.

The book tells the story of Kirk Winfield, his marriage to Ruth, and their child called Bill. Bill's upbringing is threatened by the interference of Ruth's busybody writer aunt, Mrs Lora Delane Porter.

A silent film version of Their Mutual Child was made in 1920.