Once Upon a Time

The main character's last name is ironically named swan.  There is a swan keychain featured in the show.

La Roux - In for the Kill

In the music video for the song In for the Kill La Roux is driving a car and she has a glass tear drop shaped keychain.

The Adventures of Tintin

Tintin is on the ship trying to get the keys to a storage room as the ship is tossed by waves.  The oval metal keychain is just out of his reach.

Micmacs

In this French Film one of the villain's has his keys on his desk.  He has a leather fob as his keychain.

Finding Forrester

At the end of the film Sean Connery's character wills his apartment to his protege.  His keys are given to the boy by his attorney.  Sean Connery's brother's old dogtags and a leather/metal fob act as his keychains. 

Drive

Ryan Gosling's character is a professional stunt driver and a driver for criminals.  He has a white rabbit's foot keychain.  It is shown when his is driving with his love interest.

The Man from Nowhere

The main character is forced to carry out a mission by the villains.  He receives a key to a transit station locker.  The blue acrylic keychain shows it is locker number 48.

Regular Show

Mordecai and Rigby are taking care of some ducklings.  They try to give them away but decide not to.  Then the man who wanted them comes back to kidnap them.  He has a ducky keychain adding to his creepiness.

The Raid: Redemption

In the beginning of the movie the swat team gains entrance to the enemy controlled apartment building by using a residents keys.  His room number fob and bottle opener keychain can be clearly seen.

Haywire

Mallory Kane as played by Gina Carano gets a young man to help her escape by using his car.  He tosses her his keys and while they can only be seen for a moment they are there.

I personally own this prop and am proud to have it.

Shawshank Redemption

Tim Robbins' character Andy Dufresne locks a guard in the bathroom in order to play opera on the prison P.A..  The keychain is a simple leather fob. 

ZZ Top Music Videos

A running theme in ZZ top music videos is the men give a loser guy the keys to their car which changes the young man's luck.  The keychain on their keys is their logo with two z's.

The Pirates! Band of Misfits

In this stop motion movie the villain's chef has a key rack and featured on it are a garlic keychain and cat's paw keychain.

Pulp Fiction

Bruce Willis' character takes his slain enemies keys and his motorcycle.  The Z stands for Zed. 

Dumb and Dumber

Jim Carrey is driving his limo to the airport and his pink number one keychain is there with him.

Casino Royale

Daniel Craig as James Bond is playing poker with one of the villains and goads him into betting his prized Aston Martin.  The villain bets his car by symbolically putting his Aston Martin keychain into the pot.

A terrorist bomber tries to blow up a gas truck and jet with his bomb keychain.  It appears to be a flashlight but with a twist of the top the bomb is armed.  Bond tricks the villain and clips the carabiner to his belt blowing up the bad guy.

Ace Ventura

Jim Carrey as Ace with his eight ball keychain.  He warns his pets to hide from his landlord by jangling his keys before he opens his door.

The character Roger Pedactor is very superstitious and he always carries a rabbit's foot keychain with him.

Trading Places

Dan Ackroyd's character Louis empties his pockets and is framed with marked money.  His keys and keychain are on the table as well.

The Man Who Knew Too Much

A hotel keychain which is given to the main character to find an important note.

Deuce Bigalow

Eddie Griffon's character is showing Deuce (Rob Schneider) how much money he can make as a man-whore by showing off his mini yo-yo keychain.

Jeff Who Lives at Home

Ed Helm's character tells his wife he bought a porsche by showing her his new keychain.

ABC's of Death

The short horror story collection has one story where a female driver has a rhinestoned skull keychain with leather tassels.  

Seeking a Friend for the End of the World

Steve Carell's character is checking his mailbox and his keychain with his company name can clearly been seen. 

Moonrise Kingdom

The camp store has a collection of rabbit's foot keychains on its ceiling.

Frankenweenie

From the stop motion movie Frankenweenie.

Bob's Burgers (Food Truckin')

Tina tries out a new tougher persona: Dina.  She finds a vanity license plate keychain and takes it as a sign.

Longmire

A murder victim's keys are found in his abandoned car.  His Saint Christopher keychain was wanted back by his grandmother since he always carried it.

My Name is Earl

Randy searches Catalina's purse for ideas on how to win her over.  He finds her metallic purple palm tree keychain.

Twilight Zone (Nick of Time)

William Shatner plays a superstitious man who drags himself and his girlfriend into a face-off with a fortune telling machine.

Kick-Ass 2

Hit Girl's keychain to her purple motorcycle as seen in the new extended redband trailer.  The HG stands for Hit Girl.  (Obviously)

The Naked Gun

Ricardo Montalban plays a clever assassin's puppeteer with his electronic keychain that sends a signal to his puppet assassins triggering them to kill.

Frank uses his set of credit card lock-picks to break into the villain's office.  He also has a rabbit's foot and whistle on his keychain.