Marta Mendía Valencia (born 18 May 1975 in Burlada, Navarra) is a former high jumper from Spain. Her personal best jumps are 1.95 metres outdoors and 1.96 metres indoors.

Year	Competition	Venue	Position	Notes
Representing  Spain
1994	World Junior Championships	Lisbon, Portugal	19th (q)	1.75 m
1997	European U23 Championships	Turku, Finland	8th	1.80 m[1]
1998	European Indoor Championships	Valencia, Spain	8th	1.85 m
	Ibero-American Championships	Lisbon, Portugal	3rd	1.81 m
1999	Universiade	Palma de Mallorca, Spain	6th	1.88 m
	World Championships	Seville, Spain	19th (q)	1.89 m
2000	European Indoor Championships	Ghent, Belgium	12th (q)	1.85 m
	Ibero-American Championships	Rio de Janeiro, Brazil	2nd	1.84 m
	Olympic Games	Athens, Greece	22nd (q)	1.89 m
2001	World Indoor Championships	Lisbon, Portugal	10th	1.90 m
	World Championships	Edmonton, Canada	21st (q)	1.85 m
2002	European Indoor Championships	Vienna, Austria	16th (q)	1.84 m
	European Championships	Munich, Germany	14th (q)	1.87 m
2003	World Championships	Paris, France	13th (q)	1.91 m
2004	World Indoor Championships	Budapest, Hungary	6th	1.94 m
	Ibero-American Championships	Huelva, Spain	2nd	1.94 m
	Olympic Games	Athens, Greece	10th	1.93 m
2005	European Indoor Championships	Madrid, Spain	4th	1.95 m
	Mediterranean Games	Almería, Spain	3rd	1.89 m
	World Championships	Helsinki, Finland	15th (q)	1.88 m
2006	World Indoor Championships	Gothenburg, Sweden	9th (q)	1.93 m
	Ibero-American Championships	Ponce, Puerto Rico	1st	1.84 m
	European Championships	Gothenburg, Sweden	15th (q)	1.90 m
2007	European Indoor Championships	Birmingham, United Kingdom	7th	1.87 m
	World Championships	Osaka, Japan	22nd (q)	1.88 m

• Marta Mendía at World Athletics
• Marta Mendía at Olympics at Sports-Reference.com (archived)