Font Diner is a type foundry founded by Stuart Sandler in the late 1990s. The foundry specializes in retro, vintage, and nostalgic typefaces inspired by American pop culture from the 1930s through 1960s, including diner signage, mid-century advertising, googie architecture, and Americana aesthetics.

Stuart Sandler is a prolific type designer who has created hundreds of display fonts capturing the spirit of classic American design. His work evokes the charm of vintage signage, menus, and advertisements, making Font Diner's typefaces popular choices for projects requiring a nostalgic or retro feel.