Althos is a genus of leaf-footed bugs in the family Coreidae. There are more than 20 described species in Althos.

Species: These 24 species belong to the genus Althos:

• Althos adustus Brailovsky, 1990
• Althos brevicornis (Breddin, 1908)
• Althos cribratissimus Brailovsky, 1990
• Althos distinctus (Signoret, 1864)
• Althos inornatus (Stål, 1862)
• Althos mesoamericanus Brailovsky, 1990
• Althos multicoloratus Brailovsky, 1990
• Althos nervosopunctatus (Signoret, 1864)
• Althos nigropunctatus (Signoret, 1864)
• Althos obscurator (Fabricius, 1803)
• Althos obscurus (Stål, 1870)
• Althos pacificus Brailovsky, 1990
• Althos pallescens (Stål, 1868)
• Althos pallidus (Jensen-Haarup, 1924)
• Althos pallipes (Dallas, 1852)
• Althos paradoxus (Brailovsky, 1982)
• Althos pectoralis (Dallas, 1852)
• Althos pericarti Brailovsky, 1990
• Althos potosinus Brailovsky, 1990
• Althos pseudoobscurus Brailovsky, 1990
• Althos puyoensis Brailovsky, 1990
• Althos sinuaticollis (Spinola, 1852)
• Althos terminalis Brailovsky, 1990
• Althos tucumanensis Brailovsky, 1990