Rth

Rth or RTH may refer to:

Business

 * Regular trading hours
 * ICAO symbol for Artis (airline)
 * Exchange symbol for VanEck Vectors Retail, an exchange-traded fund

Media

 * Radio y Televisión de Hidalgo, Mexico

Other uses

 * Equivalent resistance (Rth) in Thévenin's theorem
 * Resistance to Thyroid Hormone
 * Book of Ruth
 * Rotterdam The Hague Airport
 * Rhyncattleanthe (Rth.), an orchid nothogenus