"It Wasn't Me" is the first single from Jamaican-American reggae artist Shaggy's multi-Platinum studio album Hot Shot (2000). The song features vocals from English-Jamaican singer Rikrok.

The lyrics of the song depict one man asking his friend what to do after his girlfriend caught him having sex with another woman. His friend's advice is to deny everything, despite clear evidence to the contrary, with the phrase "It wasn't me."

"It Wasn't Me" has been regarded as Shaggy's breakthrough in the pop market, and is his highest-charting song to date, topping the charts in Australia, Austria, France, Ireland, the United States, the Netherlands, and the United Kingdom. It was the best-selling single of 2001 in the United Kingdom, selling over 1.15 million copies that year and over 1.37 million as of 2015. The song was also featured on the 2001 compilation album Now That's What I Call Music! 6

In the U.S., the song was the first #1 single of the 21st century according to Billboard Magazine.

The lyrics of the song depict one man asking his friend what to do after his girlfriend catches him having sex with another woman. His friend's advice is to deny everything, despite clear evidence to the contrary, with the phrase "It wasn't me." Ultimately, the narrator says that the advice "makes no sense at all".

The clean version of the song replaces the lyric "Picture this: we were both butt-naked banging on the bathroom floor" with "Picture this: we were both caught making love on the bathroom floor" and "Saw me banging on the sofa" with "Saw me kissing on the sofa". "It Wasn't Me" was originally never intended to be released as a single.

Before the original version of Hot Shot was released in August 2000, Hawaiian DJ Pablo Sato downloaded the album from "a Napster-like MP3 site he won't name" and discovered that "It Wasn't Me" was "the album's standout cut." He played the song on American radio the next day, and in an interview, claimed, "The phone lines lit up right away. Within a couple of days, it was our number-one requested song." The song was then released as the album's first single in September 2000, following its radio success. The song is written in the key of C, in the Mixolydian mode.

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