H-bar

H-bar or h-bar can refer to:


 * H with stroke, a Latin letter H with a doubled horizontal stroke (Ħ ħ)
 * Voiceless pharyngeal fricative, represented in IPA by ⟨ħ⟩
 * Reduced Planck constant, in which the above symbol represents as a mathematical symbol, ħ = h/(2π)
 * Antihydrogen, an antimatter element represented by the symbol
 * Steyr AUG HBAR, a light machine gun version of the AUG assault rifle
 * Multirests, indicated in musical notation through H-bars
 * HBAR cryptocurrency, for Hedera Hashgraph's public distributed ledger