2.1 Introduction2.2 Colloidal Stability of CNMs2.3 Functionalization of CNMs with Polymers2.4 Influence of Polymers on the Spectral Properties of CNMs2.5 Functionalizing CNMs with Antifouling Polymers for Bioapplications2.6 Functionalization of CNMs with Stimuli‐Responsive Polymers2.7 Functionalization of CNMs with Polymers for Delivery of Nucleic Acids2.8 OutlookAcknowledgmentsReferences