"This Time I Know It's for Real" is a song by American singer-songwriter Donna Summer, released on February 13, 1989, as the first single from her 14th studio album, Another Place and Time (1989), by Atlantic Records and Warner Bros. Records. Like the rest of the album, the song was written and produced by the British Stock Aitken Waterman (SAW) team, though Summer also had a hand in writing this song.
The song became Summer's biggest hit in the United Kingdom since 1979, reaching number three and spending a total of 14 weeks in the UK Singles Chart top 75. It reached number seven in both the United States and Canada, becoming Summer's 14th and final top-10 hit on the US Billboard Hot 100 as well as the last top-40 hit of her career. The song was also successful on the Billboard Hot Adult Contemporary chart, peaking at number two.