Keith Lionel Urban (born 26 October 1967) is a New Zealand-Australian country music singer, songwriter, and record producer. In 1991, he released a self-titled debut album and charted four singles in Australia before moving to the United States the following year. He found work as a session guitarist before starting a band known as The Ranch, which recorded one studio album on Capitol Nashville and charted two singles on the US Billboard Hot Country Songs chart.

Still signed to Capitol, Urban made his solo American debut in 1999 with a second eponymous album. Certified platinum in the US by the RIAA, it produced his first number one on the Hot Country Songs chart with "But for the Grace of God". "Somebody Like You", the first single from his second Capitol album Golden Road (2002), was named by Billboard as the biggest country hit of the 2000s decade. The album's fourth single, "You'll Think of Me", featuring his nephew and Australian country artist Rory Gilliatte, earned him his first Grammy Award. 2004's Be Here, his third American album, produced three more number one singles and became his highest-selling album, having earned a 4× Platinum certification. Love, Pain & the Whole Crazy Thing was released in 2006, containing "Once in a Lifetime" as well as his second Grammy Award song "Stupid Boy". A greatest hits package entitled Greatest Hits: 18 Kids followed in late 2007. Defying Gravity and Get Closer were released on 31 March 2009 and 16 November 2010, respectively. In September 2013, he released a brand new album titled Fuse, which produced four more number ones on the Country Airplay chart, two of which are duets"one with Miranda Lambert and the other with Eric Church. A new single, entitled "John Cougar, John Deere, John 3:16", was released in June 2015 as the lead-off single to his eighth American studio album Ripcord. The album later produced the Country Airplay chart number one hits "Break on Me", "Wasted Time", and "Blue Ain't Your Color", with the latter also becoming Urban's longest-reigning number one on the Hot Country Songs chart, spending twelve weeks at number one. His tenth album, Graffiti U, was released in 2018 and includes the Top 20 hit "Female".

Urban has released a total of nine studio albums (one of which was released only in Australia), as well as one album with The Ranch. He has charted 37 singles on the US Hot Country Songs chart, 18 of which went to number one, counting a duet with Brad Paisley and the 2008 single "You Look Good in My Shirt", which he previously recorded on Golden Road. Those also include his third Grammy Award-winning single "Sweet Thing" from his album Defying Gravity.

Urban is also known for his roles as a coach on the Australian version of the singing competition The Voice and as a judge on American Idol. Since 2006, he has been married to actress Nicole Kidman. In October 2013, Urban introduced his own signature line of guitars and accessories.