Hydrophobic Chromatography Media are specialized stationary phases used in hydrophobic interaction chromatography (HIC) to separate biomolecules based on surface hydrophobicity. They are pivotal for biopharmaceutical purification, protein research, and analytical workflows. The Hydrophobic Chromatography Media market size was estimated at approximately USD 450 million in 2025, and the market forecast projects a CAGR of 5.2% from 2026 to 2033, reaching roughly USD 660 million by 2033. This growth outlook is underpinned by rising bioprocessing volumes, expanding protein‑based therapeutics, and heightened demand for high‑purity biologics. Key forces shaping the industry include rapid technology shifts toward high‑capacity, low‑leach media, tightening regulatory scrutiny on impurity profiles, and intensified competitive dynamics as legacy resin manufacturers diversify into synthetic polymer platforms. The largest region remains North America, driven by robust R&D investment, while APAC is the fastest‑growing market, propelled by scaling biomanufacturing facilities in China and India.