Number 17A

{{Short description|Painting by Jackson Pollock}}

{{Infobox artwork

| image_file = Number 17A.jpg

| image_size = 300px

| title = Number 17A

| artist = Jackson Pollock

| year = 1948

| type = Oil paint on fiberboard

| height_metric = 112

| width_metric = 86.5

| height_imperial =

| width_imperial =

| museum = Private collection of Kenneth C. Griffin

| city =

}}

Number 17A is an abstract expressionist painting by American painter Jackson Pollock, from 1948.

The painting is oil paint on fiberboard and is a drip painting, created by splashing paint onto a horizontal surface. It was painted a year after Jackson Pollock introduced his drip technique. The piece was featured in the August 1949 edition of Life that made Jackson Pollock a celebrity.{{cite web | url=https://www.jackson-pollock.org/number-17a.jsp | title=Number 17A, 1948 by Jackson Pollock}}

It is owned by hedge fund manager Kenneth C. Griffin, who purchased it in September 2015 from David Geffen for $200 million, a then record-breaking price, at which time it was lent to the Art Institute of Chicago.{{Cite news | url=https://www.nytimes.com/2016/02/29/arts/international/a-blockbuster-deal-reassures-the-art-world.html | title=A Blockbuster Deal Reassures the Art World | first=Scott | last=Reyburn | work=The New York Times | date=February 26, 2016}}{{cite news | url=https://www.bloomberg.com/news/articles/2016-02-18/billionaire-griffin-said-to-pay-500-million-for-two-paintings | title=Billionaire Griffin Pays $500 Million for Two Paintings | first=Katya| last=Kazakina | work=Bloomberg News | date=February 18, 2016}} {{As of|May 2024}}, it is ranked 5th on the list of most expensive paintings.