I also voted for "You're Gonna Lose That Girl".
There are three other song titles by The Fab Four with the word "girl" in the title.
Thank You Girl
SINGLES
From Me To You/Thank You Girl
Parlophone R5015 - April 11, 1963
VeeJay VJ 522 - May 27, 1963
Do You Want To Know A Secret/Thank You Girl
VeeJay VJ 587 - March 23, 1964
Oldies 45 OL149 - August 10, 1964
Capitol Starline 6064 - October 11, 1965
EPs
The Beatles Hits
Parlophone GEP 8880
September 6, 1963
From Me To You
Thank You Girl
Please Please Me
Love Me Do
CDs
Past Masters Volume One
(CD) Parlophone CDP 7 90043 2 - March 8, 1988
Live at the BBC
(CD) Apple 7243 8 31796 2 6
(UK) Apple PCSP 726
November 30, 1994 (UK)
December 6, 1994 (US)
The Beatles Box
Parlophone/World Records SM 701/8 - October 1980
Past Masters Volume One
(CD) Parlophone CDP 7 90043 2 - March 8, 1988
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Another Girl - HELP album
Parlophone PMC 1255; PCS 3071 - August 6, 1965
Mobile Fidelity MFSL 1-105 - January 1986
(CD) Parlophone CDP 7 46439 2 - April 30, 1987
Capitol CLJ 46439 - July 21, 1987
Soundtrack: Capitol C1-90454 - July 28, 1988
The Beatles Box: Parlophone/World Records SM 701/8 - October 1980
**********************
Hello Little Girl (Decca Audition)
The Beatles Anthology 1
(CD) Capitol/Apple CDP 7243 8 34445 2 6 - November 21, 1995
**********************
These are only the UK and the US pressings. I haven't mentioned the Swedish pressings because I have this info at an other hdd.