Haregeweyni Kalayu (born 29 May 2009) is an Ethiopia middle-distance runner who specialises in the 1500 metres.
During the 2026 indoor season, Kalaya began to compete on the World Athletics Indoor Tour over 1500 metres. She ran an outright personal best of 4:01.92 for the 1500 metres competing at the Czech Indoors Gala in Ostrava, Czechia, on 3 February 2026, where she finished in third place behind compatriots Birke Haylom and Saron Berhe. She followed that three days later, with a fifth place finish at the World Athletics Indoor Tour Hold meeting in Madrid over 1500 metres, running a time of 4:06.74 on 6 February. She also had a top-ten finish at the Meeting Hauts-de-France Pas-de-Calais Trophée EDF in Lievin, France on 19 February 2026 in the 1500 m. Later that month, she placed fourth in 4:03.75 at the 2026 Copernicus Cup in Toruà Â, behind Agathe Guillemot and compatriots Freweyni Hailu and Birke Haylom.
In March 2026, she was selected alongside Berhe and Haylom for the Ethiopian team to compete in the 1500 m at the 2026 World Athletics Indoor Championships in KuyavianâÂÂPomeranian, Poland. However, on the eve of the championships it was reported that she was one of a number of Ethiopian athletes, including Berhe and Tsige Duguma, who were unable to compete due to issues obtaining the requisite VISA.