The records are scarce with this statistic and you can see there is a huge gap between 1928 and 2016! This is an area that needs some work....

But with the data we currently have, we have been awarded 185 penalties, scoring with 161 and missing 24

Penalty takers
Player Scored Missed
Alan Hinton2
Alan Rogers1
Andy McCall1
Andy Reid3
Apostolos Vellios1
Arthur Green1
Ben Brereton2
Billy Dickinson2
Billy Gray3
Billy Sharp2
Brian Roy1
Britt Assombalonga53
Bryn Elliott5
Calvin Palmer1
Charles Craig1
Chris Bart-Williams12
Chris Crowe1
Chris Doig1
Colin Walsh9
Dan Allsop1
Danny Shea1
Daryl Murphy11
David Johnson2
David Russell2
Dexter Blackstock4
Djamel Abdoun1
Duncan Walker1
Enoch West2
Eugen Bopp1
Frank Forman2
Gareth Taylor1
Garry Birtles1
George Henderson1
George Lyall3
George Wilkins1
Grant Holt8
Harry Jones31
Harry Walker1
Henri Lansbury9
Henry Martin3
Horace Gager3
Ian Storey-Moore2
Ian Wallace1
Ian Woan1
Jack Lester4
Jack Spaven1
James Iremonger1
James Perch1
Jermaine Jenas1
Joe Lolley2
John Maund3
John McPherson1
John Munro1
John Robertson12
Johnny Dent1
Junior Agogo3
Kieran Dowell2
Kris Boyd2
Kris Commons1
Lee Tomlin1
Len Beaumont1
Lewis Grabban85
Lewis McGugan10
Lyle Taylor1
Mark Crossley1
Mark Proctor1
Marlon Harewood8
Marlon King2
Matt Derbyshire1
Muzzy Carayol1
Nathan Tyson3
Nelson Oliveira2
Nigel Clough8
Paul Evans1
Percy Barratt34
Peter Davenport2
Pierre van Hooijdonk6
Robert Pugh1
Stern John1
Steve Chettle2
Steve Hodge1
Stuart Gray1
Stuart Pearce17
Teddy Sheringham2
Terry Curran1
Terry Hennessey1
Thomas Clifford1
Thomas Gibson2
Tommy Wilson1
Tyler Walker1
Walter Tinsley31
William 'Bill' Thompson12
William Shearman1

Penalties missed
We've been awarded 185 (known) penalties. These are the 24 penalties I know we've missed:
Season Date Opponent Game H/A Score Result Minute Player
1904-05Sat Sep 10, 1904BuryLeague Tier 1H5-1WinCharles Craig
1905-06Sat Sep 09, 1905Manchester CityLeague Tier 1A0-5LossWilliam Shearman
Sat Nov 11, 1905Stoke CityLeague Tier 1H3-1WinGeorge Henderson
1908-09Sat Sep 19, 1908The WednesdayLeague Tier 1H1-2LossEnoch West
1909-10Sat Feb 19, 1910Coventry CityFA CupA1-3LossEnoch West
1912-13Sat Nov 30, 1912Leeds CityLeague Tier 2H1-2LossThomas Gibson
1913-14Sat Apr 18, 1914Glossop North EndLeague Tier 2H1-2LossThomas Gibson
1921-22Sat Nov 05, 1921Notts CountyLeague Tier 2A1-1DrawJack Spaven
1923-24Sat Mar 08, 1924SunderlandLeague Tier 1H1-2LossDuncan Walker
1926-27Sat Jan 29, 1927Wolverhampton WanderersFA CupA0-2LossPercy Barratt
Sat Mar 19, 1927Wolverhampton WanderersLeague Tier 2A0-2LossPercy Barratt
1926-27Mon Apr 18, 1927Oldham AthleticLeague Tier 2A3-3Draw78Percy Barratt
1927-28Sat Nov 19, 1927ChelseaLeague Tier 2A1-2LossPercy Barratt
1928-29Mon Aug 27, 1928Clapton OrientLeague Tier 2A4-1WinWilliam 'Bill' Thompson
Wed Feb 20, 1929Swansea TownLeague Tier 2H2-1WinWilliam 'Bill' Thompson
2016-17Fri Dec 02, 2016Newcastle UnitedLeague Tier 2H2-1Win33Britt Assombalonga
45Britt Assombalonga
2016-17Sun May 07, 2017Ipswich TownLeague Tier 2H3-0Win65Britt Assombalonga
2017-18Sat Apr 28, 2018Bristol CityLeague Tier 2H0-0Draw64Lee Tomlin
2018-19Sat Aug 18, 2018Wigan AthleticLeague Tier 2A2-2Draw90Lewis Grabban
Sat Sep 29, 2018Blackburn RoversLeague Tier 2A2-2Draw9Lewis Grabban
2018-19Wed Oct 24, 2018Bolton WanderersLeague Tier 2A3-0Win55Lewis Grabban
Sat Feb 09, 2019BrentfordLeague Tier 2H2-1Win65Lewis Grabban
2019-20Sat Feb 01, 2020Birmingham CityLeague Tier 2A1-2Loss41Lewis Grabban

Penalties saved
At the other end, we've conceded a (known) total of 40 penalties.
These are the 19 penalties Forest goalkeepers have saved:
Season Date Opponent Game H/A Score Result Goalkeeper Player Minute
1911-12Sat Oct 21, 1911Clapton OrientLeague Tier 2H3-0WinJohn HannaJohnson
1923-24Sat Mar 08, 1924SunderlandLeague Tier 1H1-2LossAlfred BennettHogg
1926-27Sat Dec 18, 1926Port ValeLeague Tier 2A2-0WinLen LangfordMaddock
Sat Dec 18, 1926Port ValeLeague Tier 2A2-0WinLen LangfordMaddock
1926-27Sat Apr 30, 1927SouthamptonLeague Tier 2A0-1LossLen LangfordRawlings
1928-29Sat Dec 29, 1928Stoke CityLeague Tier 2A1-1DrawLen LangfordSellars
Sat Feb 09, 1929ChelseaLeague Tier 2H3-0WinLen LangfordLaw
1929-30Thu Dec 26, 1929BarnsleyLeague Tier 2A1-1DrawArthur Dexter?
Thu Dec 26, 1929BarnsleyLeague Tier 2A1-1DrawArthur Dexter?
1990-91Sat May 18, 1991Tottenham HotspurFA CupN1-2LossMark CrossleyGary Lineker30
1992-93Wed Mar 24, 1993SouthamptonLeague Tier 1A2-1WinMark CrossleyMatt Le Tissier
1998-99Sat Feb 27, 1999Charlton AthleticLeague Tier 1A0-0DrawMark CrossleyNeil Redfearn
Sat May 08, 1999Blackburn RoversLeague Tier 1A2-1WinMark CrossleyKevin Gallagher45
2017-18Sat Feb 10, 2018Hull CityLeague Tier 2H0-2LossCostel PantilimonJon Toral7
2018-19Tue Oct 30, 2018Burton AlbionLeague CupA2-3LossLuke SteeleLiam Boyce31
Sat Jan 05, 2019ChelseaFA CupA0-2LossLuke SteeleCesc Fabregas29
2018-19Sat Jan 26, 2019Wigan AthleticLeague Tier 2H3-1WinCostel PantilimonJoe Garner83
Sat Apr 27, 2019Queens Park RangersLeague Tier 2A1-0WinCostel PantilimonNahki Wells87
2019-20Sun Dec 29, 2019Wigan AthleticLeague Tier 2H1-0WinBrice SambaJosh Windass78