Peter Kosminsky is a British writer, director and producer. He has directed Hollywood movies such as White Oleander and television films like Warriors, The Government Inspector, The Promise, Wolf Hall and The State.

White Oleander is a 2002 American drama film directed by Peter Kosminsky. The film stars Alison Lohman in the central role of Astrid Magnussen and Michelle Pfeiffer as her manipulative mother, Ingrid, with Robin Wright, Noah Wyle, and Renée Zellweger in supporting roles. The screenplay was adapted from Janet Fitch's 1999 novel White Oleander, which was selected for Oprah's Book Club in May 1999.