Patrick Cordier (1947–1996) France, first ascent French Direct on Norway's Troll Wall (1967), solo ascent The Nose, Yosemite (1973), first ascents in Mont Blanc massif
Oscar Eckenstein (1859–1921) UK, alpinist, rock climber and boulderer
Patrick Edlinger (1960–2012) France, award-winning rock climber, featured in several rock climbing movies
Angela Eiter (born 1986), Austria, first woman in history to climb a 9b (5.15b) route (La Planta de Shiva at Villanueva del Rosario, Spain)
Albert R. Ellingwood (22 June 1887 – 12 May 1934) pioneer of Colorado climbing: La Plata Peak Ellingwood Ridge, Ellingwood Ledges on Crestone Needle, Lizard Head, and Teton climbs
Zsolt Erőss (1968–2013) Hungary, ten eight-thousanders, two with prosthetic leg, died on descent from Kangchenjunga summit
Susan Ershler (born 1956) US, first married couple to climb the Seven Summits, together (with Phil Ershler)[4]
Jim Holloway (born 1954) US, perhaps first to achieve V11+ levels
Alex Honnold (born 1985) US, free solo of Half Dome northwest face (2008), Moonlight Buttress in Zion National Park (2008), and Freerider on El Capitan (2017)
Tom Hornbein (born 1930) US, first ascent Everest west ridge (1963)
Steve House (born 1970) US, solo ascent K7 (2004), first ascent Nanga Parbat Rupal face (2005)
Meherban Karim(1979-2008) Pakistani, Gasherbrum II (2003), Nanga Parbat (2005), K2 (2008) (all three without supplementary oxygen) died on K-2 during descent.
Conrad Kain (1883–1934) Austria/Canada, over 50 first ascents in the Canadian Rockies, amongst which was Mount Robson
Gerlinde Kaltenbrunner (born 1970) Austria, first woman to climb all 14 eight-thousanders without supplemental oxygen
Bob Kamps (1931–2005) US, pioneer of golden age of Yosemite climbing and 5.10 and 5.11 routes in America
Alexander Kellas (21 June 1868 – 5 June 1921) Chemist at University College London. Achieved an altitude record in 1911 at the summit of Pauhunri 23,386 ft northeast of Kangchenjunga. The recognition was belated due to an elevation correction made 80 years later.
Pat Kelly (died 1922) UK, rock climber and founder of Pinnacle Club
Göran Kropp (1966–2002) Sweden, rode bike from Sweden, soloed Everest without oxygen and rode home (1996)
Moriz von Kuffner (1854–1939) Austria, a number of first ascents, including Eiger Northeast Face and Kuffner Ridge Mount Maudit
Julius Kugy (1858–1944) Austria-Slovenia, considered the father of modern mountaineering in the Julian Alps
Jerzy Kukuczka (1948–1989) Poland, second man to climb all 8,000m peaks (9 new route), ascent in the winter four eight-thousanders, the only man in the world to ascent in one winter two eight-thousanders
Maki Yūkō (1894–1989) Japan, first ascents of Mittellegigrat (Eiger northeast ridge), Mount Alberta; first winter ascent of Mount Yari; led Manaslu first ascent
Richard "Dick" McGowan (1933–2007) US, first US successful ascent of Everest, International Himalayan Expedition (1955)
Ammon McNeely (born 1970) US, noteworthy first one-day ascents and speed records on El Capitan, Yosemite and Zion big walls
Alex Megos (born 1993), first climber to on-sight 5.14d/9a route
Alain Mesili (born 1949) France, disputed ascent on Fitz Roy (1970) with Ricardo Arzela,[8] pioneered routes in Bolivia
Reinhold Messner (born 1944) Italy, first to climb all eight-thousanders (1970–1986) and without supplementary oxygen, first ascent without supplementary oxygen of Everest with Peter Habeler (1978), first solo Everest (1980)
Malli Mastan Babu (1974–2015) India, mountaineer and explorer, world record in completing seven summits in 172 days
N
Tenzing Norgay
Yasuko Namba (1949–1996) Japan, oldest woman at the time to climb Everest at 47 (1996), died on descent
Wasfia Nazreen (born 1982) Bangladesh, motivational speaker and the second Bangladeshi woman to climb Everest (2012)
Vitor Negrete (1967–2006) Brazil, first Brazilian to climb Mount Everest without supplementary oxygen
Hilaree Nelson (born 1972) United States, first female to summit two 8000-meter peaks in one 24 hour push (2012). First ski descent Lhotse Couloir from the summit (2018)
Jordan Romero (born 1996) US, became the youngest person to climb Everest on May 22, 2010, aged 13 years, 10 months, 10 days[11]
Steve Roper guidebook writer, editor of Ascent, first ascent of West Butress of El Capitan.
John Roskelley (born 1948) US, author, alpinist, Himalayan climber notable for technical first ascents of 7000 and 8000 m peaks
Fred Rouhling (born 1970) France, rock climber, notable for the world's fourth 9a (5.14d) rock climb (and first in France), and the controversy over Akira
Alan Rouse (1951–1986) UK, soloed many of hardest routes of day, died on descent from K2 (1986)
Hassan Sadpara (born 1963) Gilgit-Baltistan Pakistan, starting as a high altitude porter, he climbed 5xPakistani 8000ers and Everest, without supplementary oxygen
Mostafa Salameh (born 1970) Jordan, first Jordanian to summit Everest, and Seven Summits
Frank Smythe (1900–1949) UK, first ascent Kamet (1931) with Shipton, R. Holdsworth and Lewa Sherpa, reached 8565m on Everest in 1933 without supplementary oxygen[13]
Carlos Soria Fontán (born 1939) Spain, the only mountaineer to have ascended nine mountains of more than 8,000 meters after turning 60 years old
Jaahnavi Sriperambuduru (born 2001) India, first Youngest Upcoming Mountaineer to attempt Seven Summits, climbed Mount Kilimanjaro at age 12, Mount Elbrus at 13, and Mount Kosciuszko (includes Aussie 10 Peaks) at 14
Martyn S. Williams A mountain and wilderness guide who is the first person in the world to lead expeditions to the three extremes, South Pole (1989) North Pole (1992) and Everest (1991).
Richard Williams - rock climber, pioneered many first ascents in the Shawangunks and author of rock climbing books
