Kotambewaththe Gedara Dilshi Maheesha Shyamali Kumarasingha (Sinhala: කෝතම්බෙවත්ත ගෙදර දිල්ෂි මහීෂා ශ්යාමාලි කුමාරසිංහ) also simply known as K. G. D. M. S. Kumarasinghe or Dilshi Kumarasinghe (Sinhala: දිල්ෂි කුමාරසිංහ) aka Shyamali Kumarasinghe (born 11 May 1999) is a Sri Lankan track and field athlete and a national record holder in women's 800m. She is currently coached by Susantha Fernando.