H2S (disambiguation)
# H2S (disambiguation)

$H_2S$ is the chemical formula of hydrogen sulfide.

H2S may also refer to:

* Dynali H2S, a Belgian helicopter design
* H2S radar, the first airborne ground-mapping radar, used during World War II
* How to Succeed in Business Without Really Trying (book), a 1952 book written by Shepherd Mead and the inspiration for the musical of the same name
   * How to Succeed in Business Without Really Trying (musical), a 1961 musical adapted by Frank Loesser with Abe Burrows, Jack Weinstock, and Willie Gilbert
* H2S (film), a 1969 Italian film
* H2S, a Canadian postal code area in La Petite-Patrie, Montreal, Quebec
