The pursuit of effective bone repair and regeneration has been a persistent challenge in orthopedics and reconstructive surgery. Recent breakthroughs in medical technologies and regenerative medicine approaches have transformed the landscape of bone repair. This comprehensive review explores the current state of bone repair with a focus on three pivotal areas of innovation: 3D printing technology, stem cell therapies, and vascularized bone graft techniques. Bone defects, arising from trauma, disease, or congenital anomalies, pose complex clinical scenarios. Adequate vascularity, stability, growth factors, and a matrix for growth are crucial for successful bone healing. Various bone grafts, including autografts, allografts, and bone graft substitutes, offer distinct osteoconduction, osteoinduction, and osteogenic properties. Ideal bone substitutes must be mechanically stable, resist fibrous tissue ingrowth, and promote bone tissue ingrowth while providing sufficient vascularization and immunological compatibility. Ceramic bone substitutes, primarily calcium-based, are widely used due to their biocompatibility and resistance to compression and corrosion. Pore size is a critical factor for neovascularization and bone ingrowth in these materials. Bioprinting technology shows promise in creating complex, vascularized tissues with dynamic properties, revolutionizing bone tissue engineering. Mesenchymal stem cells (MSCs) hold potential for bone repair through direct differentiation, recruitment of other cells, and trophic growth factor production. However, the aging process affects MSC functionality, prompting the exploration of induced pluripotent stem cells for cartilage tissue intermediates, offering innovative strategies for bone healing. Three-dimensional (3D) printing technology enables patient-specific implants, regenerative scaffolds, and individualized replacement tissues and organs. Its application spans surgical planning, prosthetics, reconstruction, and various 3D printing domains, offering remarkable personalization and economic feasibility. Stem cell therapies, particularly MSC-derived conditioned media, show promise in enhancing tendon-bone healing by modulating macrophage polarization and promoting cellular processes. Their safety and accessibility make conditioned media an attractive candidate for clinical translation. Finally, vascularized bone grafting techniques, once primarily used for long bone defects, now find applications in small defects and refractory nonunion cases. Vascularized corticoperiosteal grafts demonstrate efficacy in managing small defects with refractory nonunion, and vascularized bone phalanges and metatarsals hold promise in complex finger defect reconstruction. In conclusion, recent advances in 3D printing, stem cell therapies, and vascularized bone graft techniques herald a new era in bone repair and regeneration. These innovations offer personalized, effective, and accessible solutions, setting new standards in orthopedics and reconstructive surgery. As research progresses, these technologies are poised to redefine the future of bone repair and patient care.