"Polythene Pam" is a song by the English rock band the Beatles from their 1969 album Abbey Road.

Written by John Lennon and credited to Lennon–McCartney, it is the fourth song of the album's climactic side-two medley.

Lennon dismissed the song, along with "Mean Mr. Mustard", in The Beatles Anthology as "a bit of crap I wrote in India".

In 1980, Lennon said about "Polythene Pam": "That was me, remembering a little event with a woman in Jersey, and a man who was England's answer to Allen Ginsberg ...

"[1] "England's answer to Allen Ginsberg" refers to Royston Ellis, an English writer whom Lennon knew from when the Beatles played at the Cavern Club.

[6] The Beatles recorded the basic track for "Polythene Pam" and "She Came in Through the Bathroom Window" at EMI Studios in London on 25 July.

[9] In his description of the song, author Ian MacDonald likens Lennon's "massive" opening acoustic guitar chords to the Who's "Pinball Wizard", which was a single at the time.

[11] These included a second lead guitar part by Harrison, playing the descending notes (accompanying Lennon's spoken "Listen to that now.