Kátia Regina Santos

Kátia Regina de Jesús Santos (born 31 December 1967 in Salvador, Bahia ) is a former Brazilian athlete who specialised in the sprinting events. She represented her country in the 4 × 100 metres relay at the 2004 Summer Olympics narrowly missing the final.

She has personal bests of 11.42 seconds in the 100 metres (2000) and 23.33 seconds in the 200 metres (2002).