Trevor Noah’s ‘Daily Show’ exit signals a changing view of the late-night throne
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Noah said he was "filled with gratitude for the journey" but that there was "another part of my life that I want to carry on exploring".
The 38-year-old has hosted the satirical news and talk show since taking over from Jon Stewart in 2015.
He said the timing of his departure would be announced later and that he would continue as host in the meantime.
Noah began his career in his native South Africa, releasing a string of stand-up specials and hosting a late-night talk show before relocating to the US in 2011.
He was still a relative unknown when he was chosen to take over the Daily Show on the Comedy Central network, but has since become an internationally-recognised star and won numerous television awards.
Noah made the announcement at the end of his show on Thursday night, prompting shocked gasps from the studio audience.
He thanked the show's crew and loyal fans for an "amazing seven years", adding: "It's been wild, truly wild".
"I remember when we first started... so many people didn't believed in us," he said. "[Appointing me as host] was a crazy bet to make. I still think it was a crazy choice, this random African.
"I just [find] myself filled with gratitude for the journey. It's been absolutely amazing. It's something that I never expected."