H42

H42 or H-42 may refer to:

• H-42 (Michigan county highway)
• Glaucoma
• HMS Arrow (H42), a Royal Navy A-class destroyer
• HMS H42, a Royal Navy H-class submarine
• H-42, an H-class battleship proposal for Germany's Kriegsmarine during World War II

Topics referred to by the same term

This disambiguation page lists articles associated with the same title formed as a letter–number combination.
If an internal link led you here, you may wish to change the link to point directly to the intended article.