Alina Rotaru-Kottmann (born 5 June 1993) is a Romanian long jumper.

She won the bronze medal at the 2023 World Championships in the long jump event.

She was knocked out in the qualification at the 2010 World Junior Championships,[3] but won the silver medal at the 2010 Summer Youth Olympics.

Her personal best jump is 6.96 metres, achieved in Inneringen in July 2023.

This biographical article relating to Romanian athletics is a stub.