Regine Berg (born 5 October 1958) is a Belgian former track and field sprinter who specialised in the 400 metres.

Born in Ostend, she represented her country at the Summer Olympics in 1976 and 1980.

[1] Berg won five national titles over 400 m and also two over 800 metres later in her career.

[3] Berg's 400 m indoor best of 53.13 seconds was the Belgian record[4] for nearly 35 years until it was bested by Cynthia Bolingo's 52.70 at the 2019 Belgian Indoor Athletics Championships.

She also shared in the 4 × 400 metres relay national record, set with Lea Alaerts, Anne Michel and Rosine Wallez at the 1980 Moscow Olympics[5] that stood for 38 years until it was bested by the Belgian Cheetahs.