Phyllis Evalina Seckler (18 June 1917 – 31 May 2004), also known as Soror Meral, was a ninth degree (IX°) member of the Sovereign Sanctuary of the Gnosis of Ordo Templi Orientis (O.T.O.), and a lineage holder in the A∴A∴ tradition. She was a student of Jane Wolfe, herself a student of Aleister Crowley.