2018 Prince Takamado U-18 Premier League

The 2018 Prince Takamado JFA U-18 Football Premier League (高円宮杯 JFA U-18サッカープレミアリーグ 2018) was the 30th season of the main competition for under-18 teams in Japan and the 9th after rebranding the competition to the current "Premier League" format.

Kashima Antlers won the Premier League East, and Sanfrecce Hiroshima won the Premier League West. The teams met in the final, which Sanfrecce won by 2–1, being then crowned champions.

Promotion/relegation play-offs
As usual, the 16 top-ranked teams of the nine Prince League divisions entered the play-offs. They were split into four blocks, with each block winner (highlighted in bold) qualifying for the 2021 Premier League.