Nathalie Etzensperger-Nanzer, née Nanzer (born 6 August 1968), is a Swiss ski mountaineer and long-distance runner.
Etzensperger was born in Gamsen, where she grew up. She started top-class sports at the age of 24 years, and is married with three children.
2006:2nd, World Championship relay race (together with Gabrielle Magnenat, Catherine Mabillard and Séverine Pont-Combe)7th, World Championship vertical race2007:3rd, European Championship team race (together with Catherine Mabillard)3rd, European Championship relay race (together with Gabrielle Magnenat and Catherine Mabillard)3rd, European Championship combination ranking5th, European Championship single race5th, European Championship vertical race2008:1st, World Championship relay race (together with Gabrielle Magnenat, Marie Troillet and Séverine Pont-Combe)2nd, World Championship team race (together with Séverine Pont-Combe)3rd, World Championship vertical race3rd, World Championship long distance3rd, World Championship combination ranking4th, World Championship single race2009:2nd, European Championship team race (together with Gabrielle Magnenat)2nd, European Championship relay race (together with Gabrielle Magnenat and Séverine Pont-Combe)3rd, European Championship combination ranking4th, European Championship single race5th, European Championship vertical race1st, Trophée des Gastlosen, together with Séverine Pont-Combe2010:2nd, World Championship relay race (together with Marie Troillet and Gabrielle Magnenat)2nd, World Championship team race (together with Marie Troillet)3rd, World Championship combination ranking4th, World Championship single race7th, World Championship vertical race2011:1st, World Championship team race (together with Marie Troillet)1st, World Championship relay race (together with Gabrielle Gachet, née Magnenat, and Mireille Richard)1st, World Championship vertical, total ranking2nd, World Championship sprint3rd, World Championship single race4th, World Championship vertical race2012:2nd, Patrouille de la Maya, together with Marie Troillet and Gabrielle Gachet, née Magnenat2004: 5th, together with Lucia Näfen and Brigitte Wolf2008: 1st and course record, together with Gabrielle Magnenat and Séverine Pont-Combe2010: 1st, together with Émilie Gex-Fabry and Marie Troillet2008: 1st,together with Laëtitia Roux2011: 2nd, together with Laëtitia Roux and Mireia Miró Varela2001:1st, Jeizibärg-Lauf, Gampel2004:1st, Zermatt marathon1st (women I), Jeizibärg-Lauf, Gampel3rd (F30), Matterhorn run2005:1st and course record, Aletsch half marathon1st (women I), Jeizibärg-Lauf, Gampel1st, Jeizibärg-Lauf & Dérupe Trophy2006:1st, Aletsch half marathon2nd (women II), Jeizibärg-Lauf, Gampel
Etzensperger also competed in the 2006 European Mountain Running Championship.2007:2nd, Jeizibärg-Lauf, Gampel2008:1st (women 1) Jeizibärg-Lauf / Valais Mountain Running Championship, Gampel1st (women 1), Dérupe Vercorin2nd (F40), Matterhorn run2009:1st (F40), Matterhorn run2010:3rd (F40), Matterhorn run 