List of Hot 100 number-one singles of 2023 (Japan)

The following is a list of weekly number-one singles on the Billboard Japan Hot 100 chart in 2023.

" Idol " by Yoasobi is the longest running number-one song of 2023 with 21 consecutive weeks atop the chart. It became the most both consecutive and total weeks at number one in the chart history.
Snow Man scored their 7th and 8th number-one singles with "Tapestry" and "Dangerholic".
" Fearless " by South Korean girl group Le Sserafim , their debut single, topped the chart for one week.