This is a list of accidents and incidents involving Dutch airline KLM. The airline has suffered 64 incidents since 1921.

Notable incidents with fatalities

1920s 24 April 1924 – 1924 KLM Fokker F.III disappearance: Fokker F.III H-NABS disappeared while on a Lympne–Rotterdam flight with three on board; the aircraft probably struck the water at full speed while flying under fog. All KLM aircraft were required to be equipped with radio communication systems as a result of this accident. 25 June 1925 – 1925 KLM Fokker F.III Forêt de Mormal crash: Fokker F.III H-NABM struck trees and crashed at Locquignol, France, while flying too low in poor visibility, killing all four on board. 9 July 1926: 1926 KLM Fokker F.VII crash: Fokker F.VII H-NACC crashed in thick fog near Wolverthem, Belgium, while attempting to land, killing the pilot and passenger. 22 August 1927 – 1927 KLM Fokker F.VIII crash: Fokker F.VIII H-NADU crashed near Sevenoaks, England, following failure of the tailfin and rudder. One crewmember was killed. 24 July 1928 – 1928 KLM Fokker F.III Waalhaven crash: Fokker F.III H-NABR stalled and crashed at Waalhaven after striking several ship masts after takeoff; one passenger drowned when the fuselage sank. The pilot had experience in the Fokker F.VII and not the F.III and began the takeoff too early.

1930s 6 December 1931 – 1931 Bangkok KLM Fokker F.VIIb-3m crash: Fokker F.VII PH-AFO Ooievaar crashed at Bangkok while attempting to take off, killing three of seven on board. A ventilation hatch above the cockpit opened which spoiled lift and prevented the aircraft from taking off. The plane departed the end of the runway, struck a berm, and came to rest upside down in a rice field. 20 December 1934 – 1934 KLM Douglas DC-2 crash: Douglas DC-2-115A PH-AJU Uiver crashed at Rutbah Wells, Iraq, killing all occupants. The aircraft had participated in the MacRobertson Air Race in October 1934, and won the handicap division. It was on its first flight after return from the race and was en route to the Netherlands East Indies carrying Christmas mail when it crashed. 6 April 1935: Flight 676, operated by Fokker F.XII PH-AFL Leeuwerik, struck a mountain from Brilon, Germany while flying too low, killing all seven on board. The aircraft was flying low, possibly so the pilot could maintain visual contact with the ground. The aircraft entered a valley and encountered heavy snow, but could not get out of the valley and it crashed. 14 July 1935 – 1935 Amsterdam Fokker F.XXII crash: Fokker F.XXII PH-AJQ Kwikstaart crashed and burned just outside Schiphol after both left side engines failed due to a defect in the fuel system, killing four crew and two passengers. Fourteen occupants survived. More powerful fuel pumps were installed in the Fokker F.XXII and the hand pump was changed so that it could be used regardless of the fuel tap position. Similar aircraft types were also removed from service and changes were made so that this type of failure would not happen again. 20 July 1935 – 1935 San Giacomo Douglas DC-2 crash: Douglas DC-2-115E PH-AKG Gaai crashed near the San Bernardino Pass near Pian San Giacomo due to wing and fuselage icing, killing all three crew and all 10 passengers.(Dutch) Albert Heijn, ed (1969) KL-50 – logboek van vijftig jaar vliegen. Meijer, Amsterdam. 18 December 1935: Koolhoven F.K.43 PH-AJJ collided in mid-air with a LVA Fokker C.I (526) over Schiphol Airport; the FK.43 lost control and crashed, killing the pilot; the C.I also crashed, but its pilot survived. 9 December 1936 - 1936 KLM Croydon accident: Douglas DC-2-115E PH-AKL Lijster lost control and crashed into a house after taking off from Croydon Airport, killing 15 of the 17 people on board, including Juan de la Cierva, inventor of the autogyro. 3 April 1937: Douglas DC-3-194B PH-ALP Pluvier was being delivered to KLM when it struck Mount Baldy, Arizona in poor weather, killing all eight on board. 28 July 1937 – 1937 Beert KLM Douglas DC-2 crash: Douglas DC-2-115L PH-ALF Flamingo crashed in a field near Beert, Belgium following an unexplained in-flight fire and mid-air explosion, killing all 15 on board. The cause of the fire was not determined, but it likely began in the cabin. Following this accident, non-combustible paneling and paint would be used on all Douglas aircraft. KLM also made changes to prevent sparks coming in contact with fuel. 6 October 1937: Douglas DC-3-194B PH-ALS Specht crashed on take-off from Talang Betoetoe Airport following engine failure, killing four of 11 on board. 14 November 1938 - 1938 Amsterdam KLM Douglas DC-3 crash1938 Amsterdam KLM Douglas DC-3 crash: Douglas DC-3-194D PH-ARY IJsvogel struck the ground and crashed while on approach to Schiphol Airport for reasons unknown, killing six of 19 on board. Crew errors were blamed. Following this accident, it was recommended that some instruments be made more visible in all DC-3 cockpits. 9 December 1938 - : Lockheed 14-WF62 Super Electra PH-APE Ekster crashed on takeoff from Schiphol Airport during a training flight after the pilot switched off the right engine too soon, killing the four crew. KLM adjusted its training schedule after this accident. 6 June 1939: During a training flight of the Douglas DC-2 PH-AKN Nachtegaal near Schiphol, an instructor's deviation of from the lesson plan; turning off an engine; led to an emergency landing in which the aircraft crashed into a military guard post, killing one soldier and injuring five, while the crew survived unharmed. 10 June 1939: Koolhoven F.K.43 PH-AJK Krekel stalled and crashed at Vlissingen, killing all three on board. 26 September 1939 - Shooting of the Mees: Douglas DC-3-194G PH-ASM Mees was flying from Malmö to Amsterdam when it was attacked by a German fighter over the North Sea, killing one of 12 on board. Despite being hit by 65 bullets, the aircraft was able to land sately at Schiphol Airport. Following this incident, all KLM aircraft were repainted yellow with "HOLLAND" in capital letters on the fuselage (Netherlands was neutral at the time).

1940s 14 November 1946 - 1946 Amsterdam KLM Douglas C-47 crash: Douglas C-47A PH-TBW crashed at Schiphol Airport following repeated attempts to land in poor weather, killing all 26 on board, including Dutch writer Herman de Man. 26 January 1947 - 1947 KLM Douglas DC-3 crash: Douglas DC-3C PH-TCR pitched up, stalled and crashed after takeoff from Copenhagen, killing all 22 on board, including Prince Gustaf Adolf of Sweden, American actress and singer Grace Moore and Danish film actress Gerda Neumann. An airport employee had forgotten to remove the gust locks securing the elevators. 20 October 1948 - 1948 KLM Constellation air disaster: Lockheed L-049 Constellation PH-TEN Nijmegen crashed near Prestwick, Scotland due to crew errors, killing all 40 aboard. 23 June 1949 - : Lockheed L-749-79-33 Constellation PH-TER Roermond, piloted by Hans Plesman—the son of CEO Albert Plesman—broke apart and crashed into the sea off Bari after it entered a high speed dive for unknown reasons, probably due to autopilot failure, killing all 33 on board.De Tijd (Netherlands) 24 June 1949, cited in Heijn (1969) 12 July 1949: - India KLM Lockheed L-749 air disaster: Lockheed L-749-79-33 Constellation PH-TDF Franeker crashed into a hill in Jagruti Nagar, Ghatkopar, near Bombay (now Mumbai), India due to pilot error (although sabotage was not ruled out), killing all 45 aboard. 13 American news correspondents died, including the radio commentator H.R. Knickerbocker.

1950–1977 2 February 1950: Douglas C-47A PH-TEU crashed in the North Sea off the Dutch coast following an unexplained in-flight fire, killing all seven on board. The aircraft was operating an Amsterdam-London passenger service. A Danish ship captain stated that an engine was on fire when the aircraft came down. 22 March 1952: Flight 592, operated by Douglas DC-6 Koningin Juliana, crashed at Frankfurt while flying too low for reasons unknown, killing 45 of the 47 occupants. 23 August 1954: Flight 608, operated by Douglas DC-6B Willem Bontekoe, crashed between Shannon, Ireland, and Schiphol in the North Sea, from IJmuiden for reasons unknown, killing all 21 on board. 5 September 1954: Flight 633, operated by Lockheed L-1049C-55-81 Super Constellation Triton, ditched in the River Shannon after takeoff from Shannon Airport. Twenty eight of the 56 people on board (46 passengers and 10 crew) were killed. 16 July 1957: Flight 844, operated by Lockheed L-1049C-55-81 Super Constellation Neutron, crashed in the sea near Biak, after takeoff from Mokmer Airport at Biak on its way to Manila. The pilot made a low farewell pass over the island, but the aircraft lost altitude, crashed into the sea and exploded, killing 48 of 58 on board. 14 August 1958: Flight 607-E, operated by L-1049H-01-06-162 Super Constellation Hugo de Groot flying from Amsterdam to New York via Shannon, crashed into the ocean off the coast of County Galway, Ireland for reasons unknown, probably due to an overspeeding propeller, killing all 99 on board. 19 February 1958: Flight 543, operated by Douglas DC-6B PH-DFK Jan Huygen van Linschoten, ran off the runway while landing at Almaza Airport, Egypt. The co-pilot died after he was struck by the still-rotating number one propeller when he escaped the aircraft through an emergency window. The aircraft was repaired and returned to service. 12 June 1961: Flight 823, operated by Lockheed L-188C Electra Sirius, crashed on approach to Cairo International Airport due to pilot error, killing 20 of 36 on board. 25 October 1968: KLM Aerocarto Douglas C-47A PH-DAA flew into Tafelberg Mountain, Suriname, following an engine failure while on a survey flight. The aircraft collided with the mountain in cloudy conditions, killing three of the five people on board. 27 March 1977: Flight 4805 collided on the runway with Pan Am Flight 1736 in heavy fog at Tenerife Airport, resulting in 583 fatalities. Both aircraft were 747s. Although the Pan American 747 had 61 survivors, all aboard the KLM aircraft perished."1977: Hundreds dead in Tenerife plane crash", "On This Day." BBC News. Retrieved: 26 May 2006. 1990s 4 April 1994: Flight 433, operated by a Saab 340 crashed at Amsterdam Airport Schiphol, killing three and seriously injuring nine people. A faulty warning light caused the crew to mistakenly believe that the engine suffered from low oil pressure. On final approach at a height of , the captain decided to go around and gave full throttle, however only on the number one engine, leaving the other in-flight idle. Because of this, the aircraft rolled to the right, pitched up, stalled and hit the ground at 80 degrees bank.

2020s 29 May 2024: A person died after being ingested into the engine of an Embraer 190 operating as KLM Cityhopper Flight 1341. The incident occurred on the airport's apron during pushback as the aircraft was preparing to depart for Billund. The investigation concluded that the person died by suicide.

Notable incidents without fatalities 18 May 1921: Fokker F.III H-NABK (c/n 1507) suffered landing gear failure on takeoff from Hamburg due to a poor runway surface; all three on board survived. 21 May 1921: Fokker F.III H-NABL (c/n 1508) crashed and flipped upside down at Hekelingen, South Holland while attempting an unexplained emergency landing; all three on board survived. Although the aircraft was written off, it was rebuilt as c/n 1533 with the same registration. 2 September 1921: de Havilland DH.9B H-NABP crashed at Waalhaven while attempting an emergency landing following an engine fire; the pilot survived. This was the first official accident involving a KLM aircraft.