Top Quark Mass Measurements at the Tevatron

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We report the latest results on the top-quark mass and on the top-antitop mass difference from the CDF and D0 collaborations using data collected at the Fermilab Tevatron $p\bar{p}$ collider at $\sqrt{s}=1.96$ TeV.

• We discuss general issues in top-quark mass measurements and present new results from direct measurements and from top-pair production cross-section.
• We also report new results on the top-antitop mass difference.