William Bruce of Symbister and Sumburgh (died 1624) was a Scottish landowner.
Lawrence Bruce was appointed "Foud" or Sherrif of Shetland in 1571, an administrator for his half-brother, the Earl of Orkney.
Marjorie Stewart's first husband was William Sinclair of Underhoull on Unst.
He was a son of Olave Sinclair of Havera and Brow, the previous Foud of Shetland, who died in 1570.
[4] William Bruce obtained lands at Sumburgh and Jarlshof in 1592.