Andy Williams net worth: Andy Williams was an American singer who had a net worth of $45 million at the time of his death. Andy Williams gained his net worth by recording 18 Gold and three Platinum albums and performing live for audiences for decades. During his career Andy Williams performed with singers Michael Jackson, Ella Fitzgerald, Frank Sinatra and Aretha Franklin. Williams was born in Wall Lake, Iowa. In addition to singing, he also owned the Moon River theater in Branson, Missouri. Andy Williams died on September 25th 2012 of bladder cancer in Branson Missouri.