The future of 3D-printed microneedles (MNs) lies in the convergence of advanced materials, next-generation manufacturing technologies, and digital medicine, enabling highly intelligent, personalized, and interconnected therapeutic systems. This chapter discusses emerging smart materials, including nano-engineered composites and stimuli-responsive polymers, designed to enhance delivery efficiency, precision, and biocompatibility. Cutting-edge printing technologies, such as hybrid multi-material fabrication and ultra-high-resolution two-photon polymerization, are highlighted for their ability to produce complex MN architectures with sub-micron features. Integration with artificial intelligence and telemedicine platforms is examined, demonstrating the potential for adaptive, patient-specific drug delivery and remote healthcare monitoring. Ethical, societal, and legal considerations are discussed, including data privacy, equitable access, and regulatory challenges, emphasizing responsible innovation. Finally, the chapter presents a visionary roadmap for 2025–2030 and beyond, envisioning fully autonomous, biodegradable MN systems capable of diagnosing, treating, and communicating health information without direct human intervention. Collectively, this chapter underscores the transformative potential of 3D-printed microneedles in shaping next-generation, sustainable, and widely accessible healthcare.