List of Cash Box Top 100 number-one singles of 1990

These are the singles that reached number one on the Top 100 Singles chart in 1990 as published by Cash Box magazine.

Key

†	Indicates best-performing single of 1990

Issue date	Song	Artist
January 6	"Another Day in Paradise"	Phil Collins
January 13
January 20	"Pump Up the Jam"	Technotronic featuring Felly
January 27
February 3	"Downtown Train"	Rod Stewart
February 10	"Opposites Attract"	Paula Abdul with Wild Pair
February 17
February 24	"Two to Make It Right"	Seduction
March 3	"Dangerous"	Roxette
March 10	"Escapade"	Janet Jackson
March 17
March 24
March 31	"Black Velvet"	Alannah Myles
April 7
April 14	"Love Will Lead You Back"	Taylor Dayne
April 21	"I'll Be Your Everything"	Tommy Page
April 28	"Nothing Compares 2 U"	Sinéad O'Connor
May 5
May 12
May 19	"Vogue" †	Madonna
May 26
June 2	"All I Wanna Do Is Make Love To You"	Heart
June 9	"Vogue" †	Madonna
June 16	"Hold On"	Wilson Phillips
June 23	"Step By Step"	New Kids On The Block
June 30
July 7
July 14
July 21
July 28	"She Ain't Worth It"	Glenn Medeiros featuring Bobby Brown
August 4
August 11	"Vision of Love"	Mariah Carey
August 18
August 25	"Come Back To Me"	Janet Jackson
September 1	"If Wishes Came True"	Sweet Sensation
September 8	"Blaze Of Glory"	Jon Bon Jovi
September 15
September 22	"Thieves In The Temple"	Prince
September 29
October 6	"(Can't Live Without Your) Love and Affection"	Nelson
October 13	"Praying For Time"	George Michael
October 20
October 27	"I Don't Have The Heart"	James Ingram
November 3	"Ice Ice Baby"	Vanilla Ice
November 10
November 17	"Love Takes Time"	Mariah Carey
November 24
December 1	"I'm Your Baby Tonight"	Whitney Houston
December 8
December 15	"Because I Love You (The Postman Song)"	Stevie B
December 22
December 29	"Justify My Love"	Madonna