A young Long Island woman was killed by a city garbage truck in Brooklyn last night, cops said.

Katherine Yun, 25, was crossing Broadway near Driggs Avenue in Williamsburg when she was hit by the eastbound sanitation truck at about 7:15 p.m., cops said.

She was pronounced dead at Woodhull Hospital. Cops said no criminality was suspected.

Yun lived in Syosset and graduated from Syosset HS in 2004.