Inspiring the Next Space Pioneers, Innovators, Researchers, and Explorers (INSPIRE) Women Act This bill directs the National Aeronautics and Space Administration (NASA) to encourage women and girls to study science, technology, engineering, and mathematics (STEM), pursue careers in aerospace, and further advance the nation's space science and exploration efforts through support of the following initiatives: NASA GIRLS and NASA BOYS; Aspire to Inspire; and Summer Institute in Science, Technology, Engineering, and Research. NASA shall submit to Congress a specified plan on how NASA can best facilitate and support both current and retired astronauts, scientists, engineers, and innovators, including early career female astronauts, scientists, engineers, and innovators, to engage with K-12 female STEM students and inspire the next generation of women to consider participating in STEM fields and to pursue careers in aerospace.