William Albert Wilson (November 3, 1914 – December 5, 2009) was an American diplomat and businessman from Los Angeles.

He later was employed by his family's business, Web Wilson Oil Tools, and went on to become its president, until the company's sale in 1960.

[3] As Ambassador, he became involved with a scandal after being reprimanded, following his contact with Marc Rich, a commodities trader who had fled to Switzerland to avoid prosecution for racketeering, fraud, and tax evasion.

In January 1986, Wilson flew to Libya for an unauthorized secret meeting with Moammar Kadafi, just several days after terror attacks in Vienna and Rome had reportedly killed 20 people.

Nancy Reagan issued a statement in response, saying "I am deeply saddened at the death of Bill Wilson.