"Say Yes" is a Japanese single by Chage and Aska, released by Pony Canyon on July 24, 1991. The song was used as a theme of the Japanese television drama 101 kaime no Propose. It was regarded as a wedding song.

On the Japanese Oricon weekly single charts, "Say Yes" spent 13 consecutive weeks at the number-one position. The single became the best-selling song for the duo. It sold over 2.82 million copies and is the seventh best-selling single in Oricon charts history.

In 1992, Hong Kong singer Raymond Cho covered this song in Cantonese. Debbie Gibson recorded an English-language cover of the song in her 2010 Japan-only release Ms. Vocalist.

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