FWIW: A partial list of what inspires my photography (in no particular order)

San Francisco

Spoon

William Eggleston

Modern architecture

Modern anything

David Lynch

Gregory Crewdson

Alfred Hitchcock

Stanley Kubrick

Francis Ford Coppola

Terrence Malick

New cameras (most recent acquisition: Fujifilm X20)

My own photography

Frank Ocean

Frank Ocean's photos

Road trips

People who make art for art's sake

Instagram

Other young photographers I find on Instagram

Learning new techniques

Seeing new things

Seeing old things

Finding new ways to make boring stuff look interesting

Sunsets

Sunrises

Light

Night

Northern California

Southern California

The West

The Midwest 

The Strokes

Jackson Pollock

John Frusciante

Miles Davis