Abstract: A molded plastic one-piece self adjusting self locking suture lock to be used with surgical suture thread and suture needle, said self adjusting self locking suture lock comprising: a body having a front side, a back side, a first edge, a thread retaining opening, and a stitch lock opening; the thread retaining opening having a thread opening slightly smaller in diameter than said suture thread and a slot extending outwardly from said thread opening to said first edge. The stitch lock opening being right cylindrical and having an outer edge on said front side. The body having a plurality of integral tongues connected to said outer edge of the stitch lock opening near said front side and extending diametrically inward at an angle from said front side toward said back side. The tongues being of sufficient dimension and number to occupy substantially the entire circumference of the outer edge.