Dianna Basso (born 1982 in Toronto, Ontario, Canada) is a Canadian animator and director. She was a director, animation lead and animator for Arc Productions. She is the current director for the television episodes at Jam Filled. She co-directed the nineteenth season with Don Spencer and David Stoten. She subsequently directed the twentieth, twenty-first and twenty-second seasons as the sole director.
- Basso is the first woman ever to direct a Thomas & Friends episode. However, with movies included, she is the second woman to direct a Thomas & Friends production, the first being Britt Allcroft as she directed Thomas and the Magic Railroad.