The James Webb Space Telescope (JWST) will be able to probe the atmospheres
and surface properties of hot, terrestrial planets via emission spectroscopy.
We identify 18 potentially terrestrial planet candidates detected by the
Transiting Exoplanet Survey Satellite (TESS) that would make ideal targets for
these observations. These planet candidates cover a broad range of planet radii
($R_{\rm p} \sim 0.6 - 2.0 R_\oplus$) and orbit stars of various magnitudes
($K_s = 5.78 - 10.78$, $V = 8.4 - 15.69$) and effective temperatures ($T_{\rm
eff }\sim 3000 - 6000$ K). We use ground-based observations collected through
the TESS Follow-up Observing Program (TFOP) and two vetting tools -- DAVE and
TRICERATOPS -- to assess the reliabilities of these candidates as planets. We
validate 13 planets: TOI-206 b, TOI-500 b, TOI-544 b, TOI-833 b, TOI-1075 b,
TOI-1411 b, TOI-1442 b, TOI-1693 b, TOI-1860 b, TOI-2260 b, TOI-2411 b,
TOI-2427 b, and TOI-2445 b. Seven of these planets (TOI-206 b, TOI-500 b,
TOI-1075 b, TOI-1442 b, TOI-2260 b, TOI-2411 b, and TOI-2445 b) are
ultra-short-period planets. TOI-1860 is the youngest ($133 \pm 26$ Myr) solar
twin with a known planet to date. TOI-2260 is a young ($321 \pm 96$ Myr) G
dwarf that is among the most metal-rich ([Fe/H] = $0.22 \pm 0.06$ dex) stars to
host an ultra-short-period planet. With an estimated equilibrium temperature of
$\sim 2600$ K, TOI-2260 b is also the fourth hottest known planet with $R_{\rm
p} < 2 \, R_\oplus$.