Kelly Jane Metzger (born February 25, 1980) is a Canadian voice and theater actress. She is best known for providing the voice of Nya in the Cartoon Network series Ninjago: Masters of Spinjitzu and Ninjago: Dragons Rising, and Spitfire from My Little Pony: Friendship Is Magic.

After appearing in the title role of Anne of Green Gables,^[when?] she performed with several Vancouver-based theatre companies. Her voice acting roles include the English voice of Sayu Yagami in the anime series based on the Death Note manga,^[when?] Buttercup in Powerpuff Girls Z (2006), Spitfire in My Little Pony: Friendship Is Magic^[1] (excluding the episode "Sonic Rainboom", where she was voiced by Nicole Oliver), Nya in the Cartoon Network series Ninjago: Masters of Spinjitzu, and Sugar Sprinkles and Kora Dixon in Littlest Pet Shop. She also voiced Makena in Barbie: Thumbelina (2009), Shimmer in Barbie: A Fashion Fairytale (2010), Wickellia in Barbie: Princess Charm School (2011) and Allie in Barbie in a Mermaid Tale 2 (2012). Metzger also provided the singing voice of Gloriosa Daisy in the 2016 film My Little Pony: Equestria Girls – Legend of Everfree and the voice of Petunia Petals in My Little Pony: Rainbow Roadtrip (2019).