List of number-one hits of 1989 (Flanders)

This article details the songs that reached the number-one position on the Flemish (Flanders) singles chart in Belgium during the year 1989. The official Flemish chart is compiled by Ultratop, and the chart positions are based on sales and airplay data. This list represents the most popular songs in the Flemish region of Belgium for each week of the specified year. Information typically includes the artist, song title, and the duration (number of weeks) the song held the top spot. Detailed specifics on the methodology used by Ultratop in 1989 to compile the chart would enhance the encyclopedic value of this entry.