\documentclass{jarticle}
\usepackage{ccaption}

\begin{document}

\listoftables

\begin{table}[htbp]
\caption{表題}
\centering\begin{tabular}{|c|c|}
\hline
A & B \\ \hline
C & D \\ \hline
\end{tabular}
\legend{もう一つの表題}
\end{table}

\begin{table}[htbp]
\legend{もう一つの表題}
\centering\begin{tabular}{|c|c|}
\hline
A & B \\ \hline
C & D \\ \hline
\end{tabular}
\caption{こっちが本当の表題}
\end{table}

\end{document}
