Astrid Heyman is a character in the Monument 14 series. She is a senior in high school, and a love interest of Dean Grieder. Her blood type is O. She acts as a mother figure for the younger children the first few days after the crisis.

Characters in Monument 14
Monument 14: Alex Grieder · Astrid Heyman · Batiste · Brayden Cutlass · Caroline McKinley · Chloe · Dean Grieder · Henry McKinley · Jake Simonsen · Josie Miller · Max · Niko Mills · Sahalia · Ulysses
Other: Cory Booker · Mr. Reed · Trish Greenstein · Mrs. Wooly