Leonie Krail (born September 9, 1986 in Wynigen, Switzerland) is a Swiss ice dancer. With Oscar Peter, she is the 2006 and 2008 Swiss national champion. Krail previously competed with Marc Fausch. After Fausch quit, she was without a partner for six months and then teamed up with Oscar Peter in 2003. They were the 2003 Swiss national silver medalists. Krail/ Peter are coached by Natalia Linichuk and Gennadi Karponosov.