Ink Master is an American reality competition television series that originally aired on Paramount Network (formerly called Spike), now airing on the Paramount+ Streaming service and 24/7 on the Pluto app which has a channel dedicated entirely to the show. The first season originally premiered on January 17, 2012. The show is hosted by Dave Navarro who joins Chris Nunez and Oliver Peck to make up a panel of judges that decides which contestants get to continue in the competition and which go home, ultimately deciding the winner at the end. Peck left the series after a controversial post from years prior in which he wore blackface resurfaced. Each season features tattoo artists who compete in various challenges assessing their tattooing and related artistic skills. They are judged by renowned tattoo artists and enthusiasts, with one or more contestants eliminated each episode. The last contestant standing each season receives a $100,000 prize, the title of Ink Master, and a feature in Inked Magazine. The series is produced by Original Media, which also produced the reality show Miami Ink.

Four spin-off shows, titled Ink Shrinks, Ink Master: Redemption, Ink Master: Angels and Ink Master: Grudge Match, have also been released. The series has also released a number of special standalone episodes themed around upcoming events or holidays, such as Halloween.

The tenth season (titled as Ink Master: Return of the Masters) premiered on January 9, 2018, and aired its first two episodes on Spike before the network rebranded as the Paramount Network. On April 24, 2018, it was announced that Paramount Network had renewed the series for an eleventh season. The twelfth season, titled Ink Master: Battle of the Sexes, premiered on June 11, 2019. On November 12, 2019, it was announced that the thirteenth season titled Ink Master: Turf War would premiere on January 7, 2020.

On September 22, 2020, Paramount Network cancelled the series, as part of the network's then-planned shift to movies. On December 1, 2020, the first two seasons were made available to stream on Netflix in the United States. They were later removed on December 1, 2021, and replaced with seasons three and four. On February 24, 2021, it was announced that the series would be revived by Paramount+. On August 5, 2022, it was announced that the revival would premiere on September 7, 2022. A fifteenth season premiered on November 1, 2023. The sixteenth season, titled OGs vs Young Guns, premiered on October 23, 2024.