Kreuzbach may refer to:

• Kreuzbach (Strudelbach), a river of Baden-Württemberg, Germany, tributary of the Strudelbach
• Kreuzbach (Erlenbach), a river of North Rhine-Westphalia, Germany, tributary of the Erlenbach

• Macrosiagon limbata
• Macrosiagon pectinata
• Macrosiagon sayi
• Macrosiphoniella millefolii
• Macrosiphum albifrons
• Macrosite
• Macrosolen
• Macrosolen parasiticus
• Macrosoma lamellifera
• Macrosoma leptosiata
• Macrosoma leucophasiata
• Macrosoma leucoplethes
• Macrosoma lucivittata
• Macrosoma minutipuncta
• Macrosoma muscerdata
• Macrosoma napiaria
• Macrosoma nigrimacula
• Macrosoma paularia
• Macrosoma pectinogyna
• Macrosoma rubedinaria
• Macrosoma satellitiata
• Macrosoma semiermis
• Macrosoma stabilinota
• Macrosoma subornata
• Macrosoma tipulata