Sandra Markle is an American author of children's books. She has published more than 200 non-fiction books for children. She worked on a project for the National Science Foundation called Kit & Kaboodle which helped students to understand science better. She has won many awards for her books.

Sandra Marton is a best-selling American author of over 86 romance novels in Harlequin Enterprises Ltd since 1985. In 2012, she began writing self-published novels. Six titles are currently available: "The Prince of Pleasure," "Emily: Sex & Sensibility," "Jaimie: Fire & Ice," "Lissa: "Sugar & Spice," "The Gift," and "On the Wilde Side."

Sandra Newman is an American writer. She has a BA from Polytechnic of Central London, and an MA from the University of East Anglia.

Irmgard Schneeberger, also known by her pen name Sandra Paretti was a German writer.

Sandra Elisabeth Roelofs–Saakashvili is a Dutch–Georgian activist and diplomat who was the First Lady of Georgia from 2004 to 2013, when her husband Mikheil Saakashvili was president of the country.

Sandra Scoppettone is an American author whose career spans the 1960s through the 2000s. She is known for her mystery and young adult books.

Sandra Sider is an American quilt artist, author, and curator. She holds a PhD in comparative literature from University of North Carolina, Chapel Hill, specializing in Renaissance studies. She also holds an M.A. in art history from the New York University Institute of Fine Arts.

Sandra Stotsky is Professor emerita in the Department of Education Reform at the University of Arkansas, and held the 21st Century Chair in Teacher Quality. Her research ranges from teacher licensure tests, e.g., (1), coherence in the literature and reading curriculum, e.g., (2), and academic achievement in single-sex classrooms, e.g., (3) to critiques of Common Core’s standards in English language arts, e.g., (4) mathematics.(5), and US History and civic education (6), and other aspects of the Common Core project, e.g., (7), and to reviews of books in education, e.g., (8) She is an advocate of standards-based reform and strong academic standards and assessments for students and teachers.

Sandro Penna (12 June 1906 – 21 January 1977) was an Italian poet.

Sandro Shanshiashvili was a Georgian poet and playwright.