Manually / Automatically?
One way would be to use a helper column and then have an IF statement or
perhaps a VLOOKUP, that returned a value such as "Show" or "Hide" based on
whatever criteria you want to set. You can then just use Data / Filter /
Autofilter to show just the "Show"s

Signature
Regards
Ken....................... Microsoft MVP - Excel
Sys Spec - Win XP Pro / XL 97/00/02/03
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It's easier to beg forgiveness than ask permission :-)
> Is there any way to hide a single row based on a value in the row? Or in a
> value in another row?