"Suddenly" is a popular song from 1985 written and performed by the Trinidadian-born, British-based pop music singer Billy Ocean. It is the title track to the singer's 1984 breakthrough album, which was produced by Keith Diamond.

Released as the third single from the album (following the success of "Caribbean Queen" and "Loverboy"), the ballad, "Suddenly", reached the top five on the UK Singles Chart in mid-1985, peaking at number four. The song reached the same chart peak on the Billboard Hot 100 chart in the US, spending two weeks at number four in June of that year. It peaked at number five on the Billboard R&B chart and spent two weeks at number one on the Billboard adult contemporary chart.

The music video features Billy Ocean performing the song live before an audience.

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