Elizabeth Holcroft (née Diconson or Dickson; September 19, 1641 – ????) was the 10th great-grandmother of Cometan, classified as one of Cometan’s distant maternal ancestors in the Cottam family line. Born in Standish in Wigan, Lancashire, Elizabeth married Alexander Holcroft and gave birth to at least one son named Thomas Holcroft. Her parents were William and Helen Diconson. A date and place of death for Elizabeth remain unknown. 

In Cometanic ancestry, Elizabeth is classified as part of the 12th generation retrograde, categorising her as a distant ancestor of Cometan.

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