List of UK Jazz & Blues Albums Chart number ones of 2009

The UK Jazz & Blues Albums Chart is a record chart which ranks the best-selling jazz and blues albums in the United Kingdom. Compiled and published by the Official Charts Company, the data is based on each album's weekly physical sales, digital downloads and streams. In 2009, 52 charts were published with 12 albums at number one. The first number-one album of the year was Seasick Steve's major label debut I Started Out with Nothin and I Still Got Most of It Left, which spent the first 11 weeks of the year atop the chart to complete a 24-week run starting the year before. The last number-one album of the year was Michael Bublé's fifth studio album Call Me Irresponsible.

The most successful album on the UK Jazz & Blues Albums Chart in 2009 was I Started Out with Nothin and I Still Got Most of It Left, which spent a total of 13 weeks at number one. Seasick Steve's follow-up release, Man from Another Time, spent three weeks at the top of the chart. Kind of Blue by Miles Davis returned to the number one spot for the first time since 2001, spending a total of eight consecutive weeks atop the chart. My One and Only Thrill by Melody Gardot and Bare Bones Madeleine Peyroux each spent five weeks at number one during 2009. I Started Out with Nothin and I Still Got Most of It Left finished 2009 as the 92nd best-selling album of the year in the UK.