Sören Halfar (born 2 January 1987) is a German former professional footballer who played as a left-back.

Born in Hannover, Halfar joined his hometown club's youth ranks in January 2001, and progressed to the senior squad list for the 2004–05 season.

His time since has twice been blighted by torn cruciate ligament injuries, although he has managed a handful of first team appearances in each season since his debut.

In January 2007, Halfar joined SC Paderborn 07 on loan from his home club, the Bundesliga side Hannover 96.

On 3 June 2010, he signed a two-year contract for Wacker Burghausen, leaving for SV Sandhausen a year later.