I'll start

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Lorca’s Novena
The Pogues


Ignacio lay dying in the sand
A single red rose clutched in a dying hand
The women wept to see their hero die
And the big black birds gathered in the sky
Mother of all our joys
Mother of all our sorrows
Intercede with him tonight
For all of our tomorrows
The years went by and then the killers came
And took the men and marched them up the hill of pain
And Lorca, the faggot poet they left till last
Blew his brains out with a pistol up his arse
Mother of all our joys
Mother of all our sorrows
Intercede with him tonight
For all of our tomorrows
The killers came to mutilate the dead
But ran away in terror to search the town instead
But Lorca's corpse, as he had prophesied, just walked away
And the only sound was the women in the chapel praying
Mother of all our joys
Mother of all our sorrows
Intercede with him tonight
For all of our tomorrows

Songwriters: Shane Macgowan

White Noise

by Stiff Little Fingers

Rastus is a ni**er, thug, mugger, junkie
Black gollywog, big horny monkey
Pimp, pusher, coon, grinning pick-a-ninny
Send him home soon, back to the trees

Black wogs, black wogs
Your face Don't fit
Black wogs, black wogs
You ain't no Brit

Ahmed is a Paki, curry-coffee queer
Ten to a bed, flocking over here
Tax-sponging canker, smelly thieving kids
Ponce greasy wanker, worse than the yids

Brown wogs, brown wogs
Your face don't fit
Brown wogs, brown wogs
You ain't no Brit

Stick together, we'll all be all white, me and you
The only colors that we need, red, right and blue

Paddy is a moron, spud-thick Mick
Breeds like a rabbit, thinks with his prick
Anything floors him if he can' fight or drink it
Round them up in Ulster, tow it out and sink it

Green wogs, green wogs
Our face don't fit
Green wogs, green wogs
We ain't no Brit

And if the victim ain't a soldier, why should we care?
Irish bodies don't count, life's cheaper over there

Green wogs, green wogs
Face don't fit
Green wogs, green wogs
We ain't no Brit

Green wogs, green wogs
Grab 'em, boys
Green wogs, green wogs
Turn up the white noise
Turn up the white noise
Turn up the white noise!

Randy Newman's "Rednecks", though it's more a denunciation/derision of Southern ignorance than a political statement.

Not political, and more light-hearted than most songs listed already:

Weezer - Feels Like Summer

Manic Street Preachers

"If You Tolerate This Then Your Children Will Be Next" (1998)



[lyrics]

By the way, in response to the first song posted in the thread, the classic DKs song, they weren't really referring to real Nazis and fascists, but rather it's a blistering critique of punk rock fans and or/skinheads who adopted Nazi regalia and symbolism without really knowing what it stands for. Case in point:

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Maybe not anti-Nazi but a message of peace and tolerance

And since The Specials and Stiff Little Fingers have been mentioned, you can't go wrong with either version of Doesn't Make It Alright

Lyrics by Rudyard Kipling:

http://songmeanings.com/songs/view/3530822107858584507/

I would argue it's more a takedown of misplaced smug superiority by Northerners, in addition to being critical of the racist attitudes of Southerners.

Also

Not a song, but an hour-long documentary on Skinheads, a film by Don Letts (Big Audio Dynamite). Really fascinating:

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Yes, that's true of course. I presented only one side, while the song is dichotomous. "..smart-assed New York Jew" is presumably a reference to Dick Cavett, who is not Jewish.