"This Girl Is a Woman Now" is a song written by Victor Millrose and Alan Bernstein and was recorded by Gary Puckett & The Union Gap for their 1969 album The New Gary Puckett and the Union Gap Album.

[2] The song peaked at No.

2 on the US Easy Listening chart[3] and No.

9 on the US Billboard Hot 100 the week of October 11, 1969.

5 on the Cash Box Top 100.