H-class submarine

H class submarine can refer to


 * Holland 602 type submarine
 * British H-class submarine - the 42 Holland 602 types built for British use and serving in the Royal Navy
 * Danish H class submarine also known as Havmanden class - 407 tonne submarines of the 1930s serving in the Danish Navy
 * United States H-class submarine - the nine Holland 602 that served in the US Navy.