According to published reports, the first man was discovered dead Friday night on a C train in Washington Heights.
Less than 12 hours later, another man was found dead on a 4 train in Brooklyn.
Police believe both men were homeless and have not said how either died.
Subways will shut down overnight starting later this week to be cleared out and disinfected.
MORE CORONAVIRUS COVID-19 COVERAGE
Grieving the lost: Tri-State residents who have died
New York state
Share your coronavirus story with Eyewitness News
Stimulus check scams and other coronavirus hoaxes
Coronavirus prevention: how clean are your hands?
Centers for Disease Control and Prevention on coronavirus
Total count of NYC COVID-19 cases based on patient address
Copyright © 2020 WABC-TV. All Rights Reserved.