Yenny Álvarez (born 24 May 1995) is a Colombian weightlifter. She won the silver medal in the women's 59 kg event at the 2021 World Weightlifting Championships held in Tashkent, Uzbekistan. She won two gold medals at the 2022 Bolivarian Games held in Valledupar, Colombia. She won the gold medal in her event at the 2022 South American Games held in Asunción, Paraguay.