Ryan Higa (born June 6, 1990), also known as nigahiga ( NEE-ɡə-HEE-ɡə), is an American internet personality. Best known for his comedy videos on YouTube, Higa began making YouTube videos in 2006 and was one of the most popular creators on the platform in its early years. His main YouTube channel, nigahiga, was the most subscribed channel on YouTube for 677 consecutive days from 2009–2011, an achievement that has only been surpassed by PewDiePie. Higa was the first person to reach the milestones of 2 million and 3 million subscribers on YouTube. Higa launched a podcast in 2018 called "Off the Pill," which has featured YouTubers and celebrities such as KevJumba, Andrew Yang, and Jeremy Lin. In 2020, Higa started streaming on Twitch, where he reacts to his past videos and broadcasts video game content, most notably in Valorant.

As of April 2021, he has over 21 million subscribers on YouTube and 500,000 followers on Twitch. Higa has won a Shorty Award, has been named Forbes Top 30 Under 30, and has been nominated for three more Shorty Awards, six Streamy Awards, and five Teen Choice Awards.

Outside of his content on YouTube and Twitch, he has also published a memoir Ryan Higa's How to Write Good and appeared in feature films Tell Me How I Die (2016) and Finding 'Ohana (2021).