Mark Rhys Weldon QSO (born 19 September 1967) is a New Zealand businessman and swimmer.
Service includes: From 2012 to 2012 Weldon served on the board of High Performance Sport New Zealand, appointed by the government along with Hamish Carter as independent members to drive an enhanced focus on high performance outcomes in sport.
After leaving NZX Weldon invested in the wine industry, buying vineyards on Felton Road, Bannockburn, and establishing the Terra Sancta winery.
Terra Sancta was named in the Top 100 Wineries of the World by Wines & Spirits Magazine in 2015.
In 2014, Weldon was appointed as the CEO of MediaWorks New Zealand, managing the company's radio, television and digital businesses.