The abbreviation "DH" has several meanings depending on the context. The two most common are:

• In internet slang, especially used by women in online forums and parenting groups, "DH" stands for "dear husband." It is a shorthand to refer affectionately or sometimes sarcastically to one's husband.

• In sports, particularly baseball, "DH" means "designated hitter," a player who bats in place of the pitcher.

Other less common meanings include slang or abbreviations such as "downhill," "deathly hallows," "damn husband," and others, but "dear husband" and "designated hitter" are the primary well-known uses.

The most typical usage in casual online communication is "dear husband" when referring to one's spouse.