This chapter contains sections titled: Introduction: What Are Dendrimers and Dendrons? Syntheses of Poly(propyleneimine) Dendrimers (PPI) Synthesis of Poly(amidoamine) Dendrimers (PAMAM) Syntheses of Poly(ether) Dendrimers Syntheses of Poly(ester) Dendrimers Synthesis of Poly(lysine) Dendrimers Syntheses of Silicon-Containing Dendrimers Syntheses of Phosphorus-Containing Dendrimers Syntheses of Carbon-Based Dendrimers Syntheses of Dendrimers Constituted of Nitrogen Heterocycles Syntheses by Self-Assembly Accelerated Syntheses Conclusion References