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We compute the couplings $DD^*\pi$,$D_1D^*\pi$,$D^*D^*\pi$, $D_1 D_1\pi$using QCD sum rules. These couplings are important inputs in the meson exchangemodel calculations used to estimate the amount of $J/\psi$ absorption due topions and rho mesons in heavy ion collisions. Our sum rules are constructed atthe first order in the pion momentum $p_\mu$, which give the couplings that arenot trivially related to the soft-pion theorem. Our calculated couplings, whichsomewhat depend upon the values of the heavy meson decay constants, are$g_{DD^*\pi}=8.2 \pm 0.1$, $g_{D_1 D^* \pi} = 15.8 \pm 2 {\rm GeV}$, $g_{D^*D^* \pi}= 0.3 \pm 0.03$ and $g_{D_1 D_1 \pi}= 0.17 \pm 0.04$.Comment: 16 pages including 4 postscript figures. To be published in European  Physical Journal

Couplings between pion and charmed mesons