Niggli

Niggli is an Italian surname that may refer to
 * Josefina Niggli (1910–1983), Mexican-born Anglo-American playwright and novelist
 * Paul Niggli (1888–1953), Swiss crystallographer
 * Dorsum Niggli, a wrinkle ridge on the Moon
 * Niggli Nunataks, is a group of glacial islands in Antarctica
 * Simone Niggli-Luder (born 1978), Swiss orienteering athlete
 * Urs Niggli (born 1953), Swiss agronomist