Sandra Raynor

 made her first appearance on 21 February 1990. She is portrayed by Rosalind Bailey.

Storylines
Sandra is the mother of Disa O'Brien, who arrives in Walford to take Disa and her baby daughter, Jasmine O'Brien, back to Sunderland. Sandra goes on at Disa about her stepfather Ken Raynor's concern for her and how he's been a good father to her and her sister, Ginny. Sandra picks up a note from Kathy Beale, a Samaritan who Disa confided in, about Disa being sexually abused by Ken. Disa struggles to tell Sandra about the abuse, but the truth comes out in an argument when they're due to leave. Sandra doesn't believe Disa at first, but she soon does and Sandra and Disa visit Ken in prison and Sandra tells him she believes Disa and will stand by her daughters.