Isaac Asimov: In Memory Still Green
Too bad he didn’t actually complete the cycle with I am also Scotty 
Fred Pohl: The Way the Future Was
I was always tickled by Isaac Asimov’s last autobiography: I.Asimov: A Memoir. I read his earlier autobiographies, but this last one was particularly poignant since he knew the end was near.
David Niven’s various autobiographical books all have excellent titles:
Bring on the Empty Horses
Go Slowly, Come Back Quickly
The Moon’s a Balloon
(All referring to various incidents on movie sets.)
Although Errol Flynn’s My Wicked Wicked Ways may win some kind of award for honesty.
A Liar’s Autobiography (Volume VI) by Graham Chapman (also a hilarious book)
I Never Played the Game- Howard Cosell
It’s Always Something- Gilda Radner (though you’d have to know who she was, Roseanne Rosannadanna, and about her cancer battle to understand why it was a great title)
Russell Brand: My Booky Wooky
Since we have the first and third installments mentioned, I’ll just chime in with the second installment of Asimov’s autobiography: In Joy Still Felt. Oh, and by the way, the title of the first book is actually In Memory Yet Green.
Some older ones.
Mae West
Goodness Had Nothing to Do With It
Oscar Levant
*A Smattering of Ignorance
The Memoirs of an Amnesiac [maybe the best ever]
The Unimportance of Being Oscar
*
Alexander King:
May This House Be Safe from Tigers
Mine Enemy Grows Older
I Should Have Kissed Her More
Is There a Life After Birth
Isaac Deutcher’s three-volume biography of Trotsky:
The Prophet Armed
The Prophet Unarmed
The Prophet Outcast
Naked Came I
by Opus the Penguin.
Getting It Through My Thick Skull, by Mary Jo Buttafuoco
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I always liked Desi Arnaz’s ** A Book**. He was working on Another Book , but he never finished it.
Damn!
Sorry about that – I scanned the thread, but missed that one.
It;'s my favorite – I’ve brought it up often enough on this Board.
Perhaps the greatest piece of irony in literature, considering he wrote it before meeting his wife! 
Ah, one of my favorite autobiographies of all time. 
A Young Man’s Passage, by Julian Clary.
British comic Vic Reeves: Me Moir (memoir, geddit?) His real name being Jim Moir…
The Man in the Rubber Mask by Robert Llewellyn, who played “Kryten” on Red Dwarf. Hilarious book, by the way.