Quoted By:
Always male
>Nidoran-M/Nidorino/Nidoking
>Tyrogue/Hitmonlee/Hitmonchan/Hitmontop
>Tauros
>Volbeat
>Latios
>Mothim
>Gallade
>Throh
>Sawk
>Rufflet/Braviary
>Tornadus
>Thundurus
>Landorus
Typically male
>Growlithe/Arcanine
>Abra/Kadabra/Alakazam
>Machop/Machoke/Machamp
>Elekid/Electabuzz/Electivire
>Magby/Magmar/Magmortar
>Timburr/Gurdurr/Conkeldurr
Always female
>Nidoran-F/Nidorina/Nidoqueen
>Happiny/Chansey/Blissey
>Kangaskhan
>Smoochum/Jynx
>Miltank
>Illumise
>Wormadam
>Vespiquen
>Froslass
>Petilil/Lilligant
>Vullaby/Mandibuzz
>Flabébé/Floette/Florges
>Salazzle
>Bounsweet/Steenee/Tsareena
Typically female
>Cleffa/Clefairy/Clefable
>Vulpix/Ninetales
>Igglybuff/Jigglypuff/Wigglytuff
>Snubbull/Granbull
>Corsola
>Skitty/Delcatty
>Luvdisc
>Glameow/Purugly
>Minccino/Cinccino
>Gothita/Gothorita/Gothitelle
>Oricorio
>Comfey
Artificially mostly male
>Starters
>Fossils and Relicanth
>Eevee line
>Elemental monkeys
>Munchlax/Snorlax
>Togepi/Togetic/Togekiss
>Riolu/Lucario
>Zorua/Zoroark
>Combee
>Salandit
Artificially mostly female
>Litleo/Pyroar
I say artificially because they're intentionally give 7:1 gender ratios without consideration of the designs so as to make getting versions of the opposite gender much more difficult. For example, Salandit and Combee can't evolve as males, Pyroar has a major gender difference and female lions are typically more common than male ones, etc.