YouTube - 30 songs hit #1 in 1986, here are the number ones:

January 18 - "That's What Friends Are For" - Dionne and Friends
February 15 - "How Will I Know" - Whitney Houston
March 1 - "Kyrie" - Mr. Mister
March 15 - "Sara" - Starship
March 22 - "These Dreams" - Heart
March 29 - "Rock Me Amadeus" - Falco
April 19 - "Kiss" - Prince and the Revolution
May 3 - "Addicted to Love" - Robert Palmer
May 10 - "West End Girls" - Pet Shop Boys
May 17 - "Greatest Love of All" - Whitney Houston
June 7 - "Live to Tell" - Madonna
June 14 - "On My Own" - Patti LaBelle and Michael McDonald
July 5 - "There'll Be Sad Songs (to Make You Cry)" - Billy Ocean
July 12 - "Holding Back the Years" - Simply Red
July 19 - "Invisible Touch" - Genesis
July 26 - "Sledgehammer" - Peter Gabriel
August 2 - "Glory of Love" - Peter Cetera
August 16 - "Papa Don't Preach" - Madonna
August 30 - "Higher Love Steve" - Winwood
September 6 - "Venus" - Bananarama
September 13 - "Take My Breath Away" - Berlin
September 20 - "Stuck With You" - Huey Lewis & the News
October 11 - "When I Think of You" - Janet Jackson
October 25 - "True Colors" - Cyndi Lauper
November 8 - "Amanda" - Boston
November 22 - "Human" - Human League
November 29 - "You Give Love a Bad Name" - Bon Jovi
December 6 - "The Next Time I Fall" - Peter Cetera with Amy Grant
December 13 - "The Way It Is" - Bruce Hornsby & the Range
December 20 - "Walk Like an Egyptian" - The Bangles