Parodia mammulosa is a species of succulent plant in the family Cactaceae.

Parodia mammulosa is a perennial globose plant with flattened apex and a dark green surface, reaching a diameter of about 15 cm.

The species shows about 18 vertical ribs with large pointed tubercles.

The flowers bloom in Spring and usually they are pale yellow, with a diameter of about 5 cm.

This species is native to Argentina, Brazil (Rio Grande do Sul) and Uruguay.