好乐（Hohner）制造乐器的德国公司。以制造口琴及手风琴闻名。主要制造口琴、手风琴和直笛。每年制造约一百万个口琴。

Matthias Hohner本来是一个钟表匠，在1857年瞄准了口琴市场，与他的妻子和一个雇员手工制造口琴。第一年只制造了个650个口琴。好乐口琴迅速走红，并且创建了世界上最大的口琴厂。

1920年，好乐开始制造可以吹奏所有调的半音音阶口琴。

1950年代，好乐开始制造电吉他。

Hohner Musikinstrumente GmbH & Co. KG is a German company specialising in the manufacture of musical instruments. Founded in 1857 by Matthias Hohner (1833–1902), Hohner is identified especially with harmonicas and accordions. The Hohner company has invented and produced many different styles, and most of the harmonicas used by professionals. The company also makes kazoos, recorder flutes, melodicas, banjos, guitars, bass guitars and ukuleles (under the brand name Lanikai), along with its one million harmonicas a year.