Rth or RTH may refer to:
Business edit
- Regular trading hours
- ICAO symbol for Artis (airline)
- Exchange symbol for VanEck Vectors Retail, an exchange-traded fund
Media edit
- Radio y Televisión de Hidalgo, Mexico
Other uses edit
- Equivalent resistance (Rth) in Thévenin's theorem
- Resistance to Thyroid Hormone
- Book of Ruth
- Rotterdam The Hague Airport
- Rhyncattleanthe (Rth.), an orchid nothogenus