Things you can dress up as starting with the letter L?

L.

Lifeguard

Ladybird

Leopard

Leprachaun

Lemon

Lobster

Lampost

Lightbulb

Leech

Lizard

Lisa Simpson

Leek

Loo

Little Red Riding Hood

Little Bo Peep

Lamb

Lion

Lion Tamer

Loser

Lolly

Licorice

Liar

Lollipop lady

Lycanthrope (werewolf)

Luke Skywalker ;)

Lazy who cant be arsed to wear a costume

Lady Gaga

Lead pipe

Loner

LEGO Man

Lara Croft

Llama

Librarian

Leper

Lemon

Lawliet from Death Note!

Light from Death Note!