macpherson single member constituency (; ; ) is a single member constituency located in central area of singapore. it existed from 1968 to 1991 (after which it was merged into marine parade group representation constituency), and from 1997 to 2011 (after which it returned to marine parade grc for the second time). in 2015, the area was carved out again as a smc for the 2015 general elections. it carved out of aljunied.